The list of impacted Windows versions includes Windows 11, Windows 10, and Windows Server 2008 and later.
Since Redmond includes all security fixes in a single update, uninstalling the April updates will also remove all fixes for patched security flaws, even though it resolves the Windows VPN issues.
One year ago, Microsoft acknowledged major L2TP/IPsec VPN speed issues over Wi-Fi connections after installing the April 2023 non-security updates on Windows 11 systems.
In January 2022, it released emergency updates to address L2TP VPN issues when connecting via the Windows VPN client after installing the January 2022 Patch Tuesday updates.
Today, Microsoft also fixed a known issue causing domain controller reboots and NTLM authentication failures after installing last month's Windows Server security updates and a zero-day bug actively exploited to deliver QakBot and other malware unpatched Windows systems.
Microsoft says April Windows updates break VPN connections.
Microsoft fixes bug behind incorrect BitLocker encryption errors.
Microsoft fixes Windows Server bug causing crashes, NTLM auth failures.
Microsoft: April Windows Server updates also cause crashes, reboots.
Microsoft: April Windows Server updates cause NTLM auth failures.
This Cyber News was published on www.bleepingcomputer.com. Publication date: Tue, 14 May 2024 20:15:21 +0000