Patch Tuesday
The latest Patch Tuesday coverage — news, analysis, and updates from the WindowsNews.AI desk.
Media Creation Tool adopts Feb 2026 baseline, slashing Windows 11 setup time
Microsoft has fundamentally changed how its Windows 11 Media Creation Tool operates. The tool now generates installation media with a February 2026 cumulative update baseline instead of the original...
Microsoft March 2026 Patch Tuesday Fixes Over 80 Vulnerabilities Including Critical Zero-Day Exploits
Microsoft's March 2026 Patch Tuesday delivered security updates addressing more than 80 vulnerabilities across Windows, Office, Edge, SQL Server, and other components. This substantial release...
Microsoft's Media Creation Tool Now Ships Windows 11 ISOs with Latest Patch Tuesday Baseline
Microsoft has fundamentally changed how the Windows 11 Media Creation Tool builds installation media, shifting from outdated baseline images to current Patch Tuesday snapshots. This quiet but...
Microsoft's March Patch Tuesday Fixes Critical SQL Server Privilege Escalation Vulnerability CVE-2026-21262
Microsoft's March Patch Tuesday security update includes a critical fix for a high-severity elevation-of-privilege vulnerability in Microsoft SQL Server, identified as CVE-2026-21262. This security...
Windows 11 KB5079473 Patch Analysis: Sysmon Integration, RSAT Arm64 Support, and Quality Improvements
Microsoft's March 2026 cumulative update KB5079473 for Windows 11 represents a significant shift in how the company approaches system administration tools and quality management. Released on March...
March 2026 Patch Tuesday Delivers Critical Security Updates with Zero-Day Fixes and EoP Vulnerabilities
Microsoft's March 2026 Patch Tuesday has arrived with urgent security updates addressing multiple zero-day vulnerabilities and elevation of privilege flaws. The updates require immediate attention...
March 2026 Patch Tuesday: Actively exploited zero-days fixed in Windows, Office, SQL Server
Microsoft released its March 2026 Patch Tuesday updates on March 10, addressing multiple critical vulnerabilities across Windows, Office, and SQL Server. This security release represents one of the...
March 2026 Patch Tuesday brings SHA-3 Secure Boot switch and built-in Sysmon to Windows 11
Microsoft's March 2026 Patch Tuesday for Windows 11 delivers more than security fixes. KB5079473, applying to Builds 26200.8037 and 26100.8037, introduces two significant changes: a transition to...
Windows 11 March 2024 Patch Tuesday KB5079473: Sysmon Integration and Secure Boot Changes Analyzed
Microsoft's March 2024 Patch Tuesday delivered KB5079473, a cumulative update that brings System Monitor (Sysmon) directly into Windows 11 while implementing significant Secure Boot changes through...
CVE-2026-26108: Excel Heap Overflow Vulnerability Patched in March 2026 Security Update
Microsoft's March 2026 Patch Tuesday security release addressed a critical vulnerability in Microsoft Excel tracked as CVE-2026-26108, a heap-based buffer overflow that could allow remote code...
CVE-2026-26132: Windows Kernel Use-After-Free Vulnerability Requires Immediate Patch Tuesday Attention
Microsoft has confirmed CVE-2026-26132 as a critical Windows Kernel use-after-free vulnerability that allows authorized local users to gain elevated privileges on affected systems. The security flaw,...
CVE-2026-25188: Microsoft Patches Critical Telephony Service Heap Overflow Vulnerability
Microsoft's March 2026 Patch Tuesday update addresses a high-severity heap-based buffer overflow vulnerability in the Windows Telephony Service, cataloged as CVE-2026-25188. This security flaw could...