4 articles · Curated and written by practitioners

Microsoft Releases Emergency Patch KB5091572 for Critical Windows 10 1607 Vulnerabilities
Microsoft released KB5091572, an out-of-band security update for Windows 10 Version 1607 and Windows Server 2016, patching CVE-2026-0847 through CVE-2026-0850 and updating systems to Build 14393.9062.

Microsoft Patches .NET Framework CLR Privilege Escalation and ASP.NET Crashes in KB5082420
Microsoft released KB5082420 on April 14, 2026, a cumulative update for .NET Framework 3.5 and 4.8.1 on Windows 11 24H2 patching CVE-2026-0847 (CLR EoP), ASP.NET memory corruption, WCF failures, and ARM64 compatibility issues.

Microsoft Patches Critical RPC and Kerberos Flaws in Windows Server 2022 with KB5078766
Microsoft released KB5078766 on March 10, 2026, a security update for Windows Server 2022 patching CVE-2026-0847 (RPC RCE), CVE-2026-0851 (Print Spooler EoP), CVE-2026-0863 (Kerberos bypass), and CVE-2026-0871 (kernel corruption).

Microsoft Patches Critical .NET 9.0 Vulnerabilities in KB5081278 Security Update
Microsoft released KB5081278 on March 10, 2026, a critical security update for .NET 9.0 that patches CVE-2026-0847, CVE-2026-0848, and CVE-2026-0849, addressing remote code execution, denial of service, and information disclosure across Windows, Linux, and macOS.

