Tom's Hardware on MSN

Microsoft's April patch puts Windows domain controllers into reboot loops

Installing this month's Windows Server security update has knocked some enterprise domain controllers into continuous reboot ...

Microsoft: Some Windows servers enter reboot loops after April patches

Microsoft warns that some Windows domain controllers are entering restart loops after installing the April 2026 security ...
Windows Report

Microsoft Releases Emergency OOB Updates to Fix Windows Server Crashes

Microsoft rolls out emergency updates to fix Windows Server crashes, LSASS failures, and installation errors after April patches.

Windows Updates: Unexpected Server Reboots and Login Disruptions

The Windows security updates, especially for servers from April, have partly severe side effects. Some Windows servers ...

Windows PCs should no longer repeatedly restart or fail to install update with KB5091157

Microsoft has released multiple emergency OOB updates for all supported Windows Server versions. The new updates fix ...
Bleeping Computer

New Windows Server updates cause domain controller freezes, restarts

Microsoft is investigating LSASS memory leaks (caused by Windows Server updates released during the November Patch Tuesday) that might lead to freezes and restarts on some domain controllers. LSASS ...
Threat Post

Two Active Directory Bugs Lead to Easy Windows Domain Takeover

Microsoft is urging customers to patch two Active Directory domain controller bugs after a PoC tool was publicly released on Dec. 12. A proof-of-concept tool has been published that leverages two ...