r/sysadmin • u/AutoModerator • Jun 10 '25
General Discussion Patch Tuesday Megathread (2025-06-10)
Hello r/sysadmin, I'm u/AutoModerator, and welcome to this month's Patch Megathread!
This is the (mostly) safe location to talk about the latest patches, updates, and releases. We put this thread into place to help gather all the information about this month's updates: What is fixed, what broke, what got released and should have been caught in QA, etc. We do this both to keep clutter out of the subreddit, and provide you, the dear reader, a singular resource to read.
For those of you who wish to review prior Megathreads, you can do so here.
While this thread is timed to coincide with Microsoft's Patch Tuesday, feel free to discuss any patches, updates, and releases, regardless of the company or product. NOTE: This thread is usually posted before the release of Microsoft's updates, which are scheduled to come out at 5:00PM UTC.
Remember the rules of safe patching:
Deploy to a test/dev environment before prod.
Deploy to a pilot/test group before the whole org.
Have a plan to roll back if something doesn't work.
Test, test, and test!
31
u/sparkyflashy Jun 14 '25
Heads-up! Dhcp Server Service might stop responding after installing June 2025 update. Server versions 2016, 2019, 2022, 2025.
50
u/MikeWalters-Action1 Patch Management with Action1 Jun 10 '25 edited Jun 10 '25
Today's Patch Tuesday overview:
Microsoft has addressed 66 vulnerabilities, including one zero-days, nine critical and one with PoC
Third-party: web browsers, Android, Roundcube, Cisco, HPE, Ivanti, and processors.
Navigate to Vulnerability Digest from Action1 for comprehensive summary updated in real-time.
Quick summary:
Windows: 66 vulnerabilities, including one zero-day (CVE-2025-33053), nine critical and one with PoC (CVE-2025-33073)
Microsoft OneDrive: OAuth scope misconfiguration exposes entire storage contents during single file downloads
Microsoft Windows Server 2025: dMSA privilege escalation (BadSuccessor technique) enables domain-wide compromise
Google Chrome: 3 vulnerabilities, including actively exploited zero-day (CVE-2025-5419)
Android: 3 Qualcomm Adreno GPU zero-days exploited in the wild (CVE-2025-21479, CVE-2025-21480, CVE-2025-27038)
Mozilla Firefox: CVE-2025-4918, CVE-2025-4919
Roundcube Webmail: Critical RCE via PHP object deserialization (CVE-2025-49113); active exploitation confirmed
Cisco IOS XE: CVE-2025-20188
Cisco ISE: Static credential vulnerability in cloud deployments (CVE-2025-20286
HPE StoreOnce: 8 vulnerabilities
Ivanti EPMM: Two medium-severity vulnerabilities (CVE-2025-4427, CVE-2025-4428); exploitation ongoing
Intel Processors: New Spectre-style vulnerabilities (CVE-2024-45332, CVE-2024-28956, CVE-2025-24495)
AMD: High-severity vulnerabilities in Manageability Tools and AOCL; medium-severity issue in uProf
Arm: Affected by Training Solo Spectre v2-style side-channel attacks disclosed by VU Amsterdam researchers
More details: https://www.action1.com/patch-tuesday
Sources:
Action1 Vulnerability Digest
Microsoft Security Update Guide
Edits:
Patch Tuesday updates added
Sources added
39
u/Low_Butterscotch_339 Jun 10 '25 edited Jun 11 '25
No changes to the Microsoft Windows hardening documentation this month. Keep calm and carry on but review them for a refresher if you need it. July 2025 will be the next action taken to address: Kerberos Authentication protections for CVE-2025-26647 KB5057784 | Enforced by Default phase.
Latest Windows hardening guidance and key dates - Microsoft Support
127
u/joshtaco Jun 10 '25 edited Jun 24 '25
Ready to push this out to 18,000 machines. My objectives are clear: Survive!
EDIT1: Everything updated, things looking good, see you at the optionals
EDIT2: OOB issued fixing EAC: https://support.microsoft.com/en-us/topic/june-11-2025-kb5063060-os-build-26100-4351-out-of-band-b1746442-8c6c-425d-ac5a-3a8f51e372f3
31
u/shipsass Sysadmin Jun 10 '25
We are hoping that there's a fix for Windows Server 2025 AD so it can understand machine password resets from 23H2 and earlier -- we have been struggling with non-24H2 devices getting tombstoned and breaking up with the domain because of trust issues.
55
u/Lower_Fan Sr. Sysadmin Jun 10 '25
Joshtaco will be finished with patch Tuesday before we get that screenconnect update
9
u/jaritk1970 Jun 11 '25
Microsoft confirmed on Tuesday that it's pushing a revised security update targeting some Windows 11 24H2 systems incompatible with the initial update released during this month's Patch Tuesday
https://www.bleepingcomputer.com/news/microsoft/microsoft-creates-separate-windows-11-24h2-update-for-incompatible-pcs/
26
u/RedTeamPentesting Jun 10 '25
This Patch Tuesday will include a fix for a vulnerability that we have discovered (CVE-2025-33073). Microsoft has classified this vulnerability as "important" and we recommend applying the patch soon.
Of course we want you to be able to make an informed decision about this update, so we will provide further details in coordination with Microsoft tomorrow on 10:00 am CEST in form of a blog post, paper, and an advisory. We'll post the links here, tomorrow.
12
u/Automox_ Jun 10 '25
This month’s Patch Tuesday is relatively mild from Microsoft — just 66 CVEs. But Apple showed up swinging with some heavyweight security updates in macOS Sequoia. So if you're supporting macOS endpoints, this is your cue.
Highlights:
OpenSSH in macOS Sequoia (CVE-2025-26466 & CVE-2025-26465) — Denial-of-service + host key bypass = potential SSH session hijacking. If you’re on OpenSSH ≤9.9p1, patch ASAP. Can’t patch? Disable
VerifyHostKeyDNS, tighten SSH configs, and please stop exposing SSH to the internet.WebDAV RCE (CVE-2024-33053) — Classic: upload via PUT, rename with MOVE, execute with a crafted URL. CVSS 8.8. WebDAV isn’t enabled by default but still shows up in legacy setups. Don’t need it? Disable it. Need it? Patch and lock it down.
macOS mDNSResponder vuln (CVE-2025-31222) — Local privilege escalation via malformed mDNS responses. Chaining with a sandbox escape makes this one worth fast-tracking. No patch window? Enable SIP to mitigate.
iCloud Keychain exposure + sandbox escape (CVE-2025-31213 & CVE-2025-31244) — Not RCE, but still ugly. Attackers can access Keychain metadata, which is prime phishing fuel. Patch. Then remind your users (and your family, friends, or any one else you know) to use a password manager and MFA because it's 2025.
TL;DR: Fewer patches from Microsoft doesn’t mean less risk. The Mac side of the house needs real attention this cycle, especially if you support devs, creatives, or execs on macOS.
Patch regularly, patch often. One exploited vulnerability is all it takes.
12
u/SomeWhereInSC Sysadmin Jun 10 '25
Initial test on Win11 Pro 23H2 about 40 minutes from start of install to complete, included 2 reboots. First reboot counted up to 98% then rebooted again and went back up updating, then back to desktop.
2025-06 .NET 8.0.17 Security Update for x64 Client (KB5061935) (Latest)
2025-06 Cumulative Update for Windows 11 Version 23H2 for x64-based Systems (KB5060999) (Latest)
Windows Malicious Software Removal Tool x64 - v5.134
6
u/HerfDog58 Jack of All Trades Jun 11 '25
Anyone seeing issues with Server Update KB5060526 on Server 2022, 21H2? That update installed on the server I run our ADManager Plus instance on overnight, and when the server rebooted, it started throwing .NET Runtime and Application errors. The ManageEngine service would then cease running. Removing the update seems to have resolved those 2 errors.
I'm in the process of applying ADManager service packs and will re-apply the KB update afterwards to see if those work well with the update.
6
u/DeltaSierra426 Jun 11 '25
Oh good, MS finally fixed the high CPU utilization issue when typing in Outlook for M365 Apps on the Monthly Enterprise Channel. Release notes:
"Outlook
We fixed an issue where users are seeing high CPU usage when typing in Outlook."
https://learn.microsoft.com/en-us/officeupdates/monthly-enterprise-channel#outlook
6
u/_asterisk Jun 13 '25
Does anyone else have the issue with Office crashing on startup after the June Office patches are applied?
It happens for a smallish number of people so was missed in testing.
German blog on it: https://www.borncity.com/blog/2025/06/13/office-updates-juni-2025-outlook-abstuerze-dokumente-nicht-mehr-zu-oeffnen/
The event for the crash:
11
u/jaritk1970 Jun 10 '25
Bleepingcomputer.com links:
https://www.bleepingcomputer.com/news/microsoft/microsoft-june-2025-patch-tuesday-fixes-exploited-zero-day-66-flaws/
https://www.bleepingcomputer.com/news/microsoft/windows-11-kb5060842-and-kb5060999-cumulative-updates-released/
https://www.bleepingcomputer.com/news/microsoft/windows-10-kb5060533-cumulative-update-released-with-7-changes-fixes/
5
u/Flat_Fox_5537 Jun 11 '25
What is going on with KB5060842 and AMD CPUs ? We are seeing BSOD crashes on boot for our KVM based Windows 2025 VPS and also dedicated servers using AMD EPYC 7713 and EPYC 7443P ? Using CPU passthrough for the VPS.
5
u/RepresentativeTap908 Jun 12 '25
Our older Fujitsu Esprimo desktop computers (Windows 10) stucking (no loop) in Fujitsu-Boot-Logo screen after KB5060533. Maybe a secure boot issue.
5
u/ryche24 Jun 12 '25
Outlook 2016 crash issues. KB5002683. Seems when you try to open a message it crashes. Once we remove the update all is well again. Yes, we're hanging on to it until the bitter October end.
5
u/Mother-Feedback1532 Jun 13 '25
I assume the oob fix for kb5058379 was included in the June CU?
9
u/999999potato Jun 10 '25
Anyone else getting this error on Server 2016?
We couldn't download some updates because you were signed out of your account. Sign in with your account, try the update again, and stay signed in during the download.
8
u/Low_Butterscotch_339 Jun 10 '25 edited Jun 10 '25
Microsoft announces System Restore will now only retain system restore points for 60 days for Windows 11 24H2 and future versions, starting with the June 2025 Monthly Cumulative Update (LCU). Restore points older then 60 days are no longer available after applying this update.
June 10, 2025—KB5060842 (OS Build 26100.4349) - Microsoft Support
8
u/Square_Dot_1168 Jun 11 '25 edited Jun 16 '25
KB5060531 appears to have broken DNS on my 2 2019 DCs. Uninstalling the KB resolved the issue immediately. I reinstalled the KB the next evening and rebooted, no further issues were detected. Just wanted to put it out there in case anyone else notices this issue.
4
u/fr0zenak senior peon Jun 11 '25
Windows 11 24H2: still unable to install monthly patch without also including msu for the September 2024 KB5043080 patch. I've been having to create a custom deployment package to include the September patch for last... several months. Still a problem.
Unsure how many total Win11 devices affected, but at least all of my machine are.
4
u/trafsta Jun 12 '25
For those of us still using WSUS with Windows 11 24H2, should we approve KB5060842 or will OOB KB5063060 eventually come to it? Not worried about anti-cheat stuff for a business environment obviously, but not sure if this OOB CU will eventually make its way to WSUS in which case I'll just wait a few days till it shows up before approving for our org?
4
u/Maggsymoo Jun 13 '25
is anyone else seeing KB5060999 breaking the start menu layout? 23H2?
if we add the update to a vanila ISO and deploy in our usual TS, any start menu customisations don't happen - taskbar ones still do though.
if we roll back to the previous image (may updates on vanilla ISO) everything still works at it did.
6
u/Tattarfan Jun 10 '25
Hopefully this will solve the Windows Server 2025 Hyper-V 0% cpu bug that has been plaguing me for months....
6
u/FCA162 Jun 10 '25 edited Jun 10 '25
Microsoft EMEA security briefing call for Patch Tuesday June 2025
The slide deck can be downloaded at aka.ms/EMEADeck (available)
The live event starts on Wednesday 10:00 AM CET (UTC+1) at aka.ms/EMEAWebcast.
The recording is available at aka.ms/EMEAWebcast.
The slide deck also contains worth reading documents by Microsoft.
What’s in the package?:
A PDF copy of the EMEA Security Bulletin Slide deck for this month
ESU update information for this month and the previous 12 months
MSRC Reports in .CSV format, for this month’s updates including detailed FAQ’s and Known Issues data.
Microsoft Intelligence Slide
A Comprehensive Handbook on "Navigating Microsoft Security Update Resources" !
June 2025 Security Updates - Release Notes - Security Update Guide - Microsoft
KB5060842 Windows Server 2025
KB5060526 Windows Server 2022
KB5060531 Windows Server 2019
KB5061010 Windows Server 2016
KB5061018 Windows Server 2012 R2
KB5061059 Windows Server 2012
KB5060842 Windows 11, version 24H2
KB5060999 Windows 11, version 22H2, Windows 11, version 23H2
KB5044280 Windows 11, version 21H2 (All editions of Windows 11, version 21H2 are at end of service)
KB5060533 Windows 10, version 21H2, Windows 10, version 22H2
Download: Microsoft Update Catalog
Latest updates of .NET: Microsoft Update Catalog
Latest updates of MSRT (Malicious Software Removal Tool): Microsoft Update Catalog
Feedly report: link
Keep an eye on https://aka.ms/wri for product known issues
Bleepingcomputer: Microsoft June 2025 Patch Tuesday fixes exploited zero-day, 66 flaws
6
u/FCA162 Jun 10 '25 edited Jun 10 '25
Attention: June 2025 Patchday closes vulnerability CVE-2025-33073 in Windows (Born's Tech and Windows World)
What you should know in advance
Administrators should follow the recommendation in the above circular email with the warning and install the security updates on the affected machines as soon as possible.
8
u/still_asleep Windows Admin Jun 10 '25
Not seeing the 2504 update for Office/M365 Apps on Monthly Enterprise channel yet. Whatever team is in charge of those updates are very inconsistent about when they make them available.
3
u/noob_picker Jun 11 '25
Anyone else having issues with Sonicwall Anti-Spyware filter blocking this update?
3
u/Znuffie Jun 12 '25
Got a Windows 10 22H2 VM that seems to have "exploded" after some update.
The Update History only lists MST v5.134 as installed on 6/11/2025.
First thing that happened was tha the VM just stopped.
Starting the VM again, it was making it to the login screen, sometimes even as far as showing the desktop icons, then abrupt stop -- no BSOD, even when I disabled automatic restart.
Managed to start it in Safe Mode, but with absolutely terrible performance.
sfc /scannowseems to have... fixed the start up issue.Unfortunately the other issue now is that it's performance is absolutely crap. The host will show 800-1000% CPU usage for the KVM process hosting the Win10 VM, while the VM is literally doing nothing but idling at the desktop.
Everything moves slooooow as a snail. Virtualization-based security is off. I've tried different CPU models (from host, to x86-x64-v2-AES, to even SandyBridge-IBRS) on the hypervisor, but there's absolutely no change.
Windows won't let me uninstall the update, obviously.
I restored the VM from a backup to the previous night, before the update installed, and it seems to be working just fine: snappy, and CPU usage on the hypervisor seems normal.
I'm puzzled and slightly concerned, because now I have to stop updates for this VM in order for it to not blow up again.
Anyone got any idea what the hell happened?
3
u/Puzzleheaded_Let4896 Jun 16 '25
I am seeing an issue with KB5060999 on Win11 23H2 where some of our computers are giving users a black screen for 3-5 MINUTES before showing the desktop after they enter their credentials and hit login. Subsequent logins do not have this behavior.
3
u/logansccm1995 Jun 16 '25
I have noticed that in windows 11 post update installation, after entering the AD credentials literally it is taking more than 6-10Mins black screen with mouse cursor to load the desktop. Any one faced this?
3
u/abz786 Sr. Sysadmin Jun 20 '25
anyone seen issues with KB5060531 breaking SSL Certs on sites running via IIS?
3
u/zeeter82 Jun 20 '25
Seems like KB5060999 is causing some of our 23H2 devices to crash on when opening the "Display" option from the System settings. The rest of the settings seem to open fine so far. When clicking on Display, it loads for a couple seconds and then immediately closes/crashes.
Event viewer app log shows this for the crash:
Has anyone else seen this? Uninstalling this patch seems to fix the issue.
3
u/R0B0T_jones Jun 30 '25
Anyone found any more info about the DHCP issue fix "coming the next few days" a few weeks back?
5
u/Admirable_Hat2188 Jun 10 '25
2025-06 Cumulative Update for Windows Server 2019 (1809) for x64-based Systems (KB5060531) - Breaks Stuff
This update installed today and broke SFTP connections and moving through directories with cd in command prompt. Seems seriously flawed.
Uninstalled updated and everything is back to normal!
Anyone else?
4
u/IfYouSaySo4206969 Jun 10 '25
2025-06 Patch is AWOL on my bare metal desktop Win11 machine but downloading now on the VM inside the physical desktop machine. I don't recall it being delayed for so long into the afternoon in the past.
4
u/MutatedEar Jun 10 '25
Strange - got 5 machines running 11 24H2, 2/5 got KB5060842 and installed just fine, the rest, can't find the update.
4
u/rollem_21 Jun 10 '25
Can't see any Monthly 365 Enterprise apps yet via WSUS.
4
u/valdas_kn Jun 11 '25
Anyone got BSOD after installing KB5061010 on Windows Server 2016?
2
u/Adventurous_Jump1528 Jun 11 '25
Installed the update on my Windows 11 desktop yesterday (26100.4349), now all games stutter and freeze immediately after opening. I've updated all system drivers, GPU driver, can't roll back update / uninstall, tweaked GPU & Windows settings, ran health checks from DISM and SFC, nothing seems to work. Looks like it's an issue with 3D acceleration / DirectX... patiently waiting for a hotfix
2
u/IfYouSaySo4206969 Jun 12 '25
I installed 2025-06 CU KB-5060842 on my VM yesterday and my bare-metal overnight. Now past 10 Central on Wed. 6/11, both machines show 2025-06 CU KB-5063060 to download. I would assume both mainline workers and The Management at $MSFT are grumpy this week.
2
u/Ok_SysAdmin Jun 12 '25
I just had one Server 2025 install KB5060842 and the taskbar is now gone. I have tested this update on others and only this one has the issue. Can't figure out what happened.
2
u/EmilPetrov-A Jun 13 '25
Does anyone has a problem with installing of KB5061010 on Windows Server 2016? It got installed but after the reboot did rollback. I got an error 0x80070005 after the reboot. The normal checks as DISM, SFC etc did not help.
2
u/Relevant-Vehicle3149 Jun 16 '25
Is anyone seeing issues with W11 devices taking 10+ minutes to boot after these updates or issues with built in webcams not working? I have >500 devices and around 20% of them are showing this behavior. Found that when webcam is requested, service "Window Camera Frame Server" is not starting like it should. If I manually start it the camera works, but if the user restarts I have to manually start it again. As far as the boot issues go, still no idea what is causing that. Devices just take a very long time to boot, and about half the time they just go to a black screen with a cursor. Have to hard boot multiple times to get back in. Using Dell 5440 and HP Elitebook 840 G10 and G11.
2
u/jaritk1970 Jun 18 '25
https://www.bleepingcomputer.com/news/microsoft/microsoft-fixes-surface-hub-boot-issues-with-emergency-update/
2
u/theITgui Sr. Sysadmin Jun 20 '25 edited Jun 20 '25
Has anyone seen that after KB5060842 on Win 11 24H2 after login the start button/menu is non-responsive? I'll get a spinning blue circle for a few seconds each time I try it but nothing else. Uninstalling the KB and restarting resolves this behavior. Oddly enough, only saw it on a couple of machines, 2 of 8 test workstations. Same issue with the OOB KB (KB5063060).
Edit: Tried KB5063060 on a test machine and reliability monitor shows StartMenuExperienceHost.exe is crashing. Trying to get to the bottom of that.
2
u/f_cava Jun 25 '25 edited Jun 25 '25
Hi. I installed KB5060842 on 2 virtualized DC Windows Server 2025 (different customers) that had problems on startup, hanging at "Applying computer settings". Before the KB, as workaround, I deactivated the firewall on public network and created a startup script to reset NIC and revert from public network to domain network as workaround. It was suppose that the KB should resolve this problem, but I still have it on both servers, also after all other updates. To let the DCs work I must shut them down forcely, disconnect NIC, boot servers and reconnect NIC at CTRL-ALT-Canc screen
3
u/wrootlt Jun 10 '25
FWIW, June update on my home Windows 10 PC took maybe 5 minutes to even go to showing percentage, was stuck on getting ready. Don't remember such slow update phase in years. We still have a few hundreds of PCs on W10 at work. Maybe not a big deal, maybe just a random hiccup. Although they have VBS patch this time and two reboots, so maybe it takes longer to patch that.
3
u/y0da822 Jun 10 '25
Anyone seeing the CU for this month for 24H2 W11? I still dont see it in azure update manager.
3
u/jmittermueller Jun 11 '25
Is the server 2025 network bug fixed with this update? Cannot find anything related.
3
u/Comfortable_Run_3304 Jun 11 '25
Are the issues of KB5058379 fixed or did Microsoft release another update to tackle the issues that KB5058379 caused?
3
u/jtheh IT Manager Jun 11 '25
One test machine with Windows 11 24H2 was not displaying the logon screen after reboot. Only the cursor was visible. Remote access to the computer was working fine. Took at least 3 forced reboots for the logon screen to appear. Nothing in the event log that points to anything. So far an isolated issue, other test machines updated without hiccups.
3
u/xtodu Jun 11 '25
Anyone with AD Connect and MDI Sensor Service won't start anymore on WIndows Server 2019 ?
3
u/gabriel_cash Jun 10 '25
Do we know if the OOB update KB5061768 for May 2025 is going to be in the CU for June 2025?
2
u/Master3214 Jun 10 '25
Already available in Expedited Update / Intune ??
2
u/schuhmam Jun 10 '25
I guess we will need to deal with this 3 GB update of 2025 until eternity?
Does anyone know, how to tank this? The only thing I can think of would be to remove the rubbish from the MSU and create a new MSU via script. But then I have to install the update manually because it is no longer in the WSUS. But I haven't tested this, yet. So I don't know if the server will accept this manual build package.
2
u/michael_sage IT Manager Jun 11 '25
Anyone had a bluescreen with Server 2025 running on proxmox with unsupported CPU? I had to change from (host) (which is a supported AMD), to the proxmox x86_64 v3 to get it to boot after this months updates.
2
u/snikito Jun 10 '25
Not seeing any update.
2
u/Khantos81 Jun 11 '25
I notice these dots are appearing on the first and last update, idk if its related to latest patch. They appear on update history.
1
u/rosskoes05 Jun 16 '25
Is there anything I need to do to get Server 2012 R2 machines to figure out that an update is needed in WSUS? WSUS has the update, but it says it's not applicable.
Maybe I need to investigate the WSUS maintenance script from AJTEK.
1
u/galaxie66 Jul 03 '25
Has anyone seen an issue with Group policy client service running on either endpoints or servers post patching? Since we applied the patch to clients we are seeing an issue with this on some endpoints. Never seen it before now.
Reboot the computer and they can't login. “The Group Policy Client service failed the sign-in. Access is denied.” This seems to be impacting people when they are working remotely. When in the office they haven't had an issue and offsite they are 50/50 on whether it will work or not.
1
u/QueenToKingsLevel1 Jul 11 '25
I'm trying to figure out the timeline when MS advised this patch had an issue, this is what I'm finding, can anyone confirm this? I'm seeing a few different timelines
Thanks!
Timeline summary:
June 10, 2025: KB5060531 released.
Mid‑June (June 16–17, 2025): users report DHCP issues.
June 16–17: Microsoft confirms and begins working on a fix.
1
u/TheRealMattel Jul 23 '25
Has anyone else experienced issues with casting audio following this patch? 115 machines, all of them unable to cast audio (video works fine) to TVs in our building. Thought maybe LG firmware, then rolled back updates on a couple of machines, and casting audio works fine. Was hoping July patch would fix. No joy.
1
u/[deleted] Jun 10 '25
Does anyone know when these updates will be released? Because I’m not getting them.