Windows Security
The latest Windows Security coverage — news, analysis, and updates from the WindowsNews.AI desk.
Siemens Patches High-Severity Heap Overflow in Simcenter Femap, Urges Update to V2512.0003
Siemens has issued a security update for Simcenter Femap to patch CVE-2025-12659, a high-severity heap-based buffer overflow that leaves Windows workstations vulnerable when parsing malicious IPT...
Patch Now: Fix Critical DNS and Netlogon Flaws in May 2026 Updates
Microsoft dropped its May 2026 Patch Tuesday updates on May 12, delivering fixes for approximately 138 vulnerabilities across a sprawling product lineup. The security release touches Windows 11,...
May 2026 Patch Tuesday: 118+ Fixes, No Zero-Days—Critical Windows & Office Updates Lead
Microsoft rolled out its May 2026 security updates on May 12, fixing at least 118 documented vulnerabilities across an extensive range of products, including Windows, Office, Azure, Dynamics, SQL...
CVE-2026-35436: Microsoft Patches Important Office Click-to-Run Elevation-of-Privilege Flaw
Microsoft rolled out its scheduled Patch Tuesday updates for May 2026, addressing a newly disclosed elevation-of-privilege vulnerability in Office Click-to-Run. CVE-2026-35436, rated Important, could...
Patch Now: Critical CVE-2026-40403 Win32K RCE Hits All Windows
Microsoft’s May 2026 Patch Tuesday brought with it a critical disclosure that should jolt every Windows administrator into action: CVE-2026-40403, a remote code execution flaw in the Win32K...
Windows Kernel Driver Bug CVE-2026-40369 Allows SYSTEM Access in May Patch Tuesday
Microsoft's May 2026 Patch Tuesday, released on May 12, includes a fix for CVE-2026-40369, an Important-rated elevation of privilege vulnerability in the Windows kernel-mode driver with a CVSS score...
CVE-2026-34341: Windows LLDP Double-Free Bug Gives Attackers SYSTEM Access
Microsoft’s May 2026 Patch Tuesday shipped a fix for CVE-2026-34341, an Important-rated elevation-of-privilege vulnerability in the Windows Link-Layer Discovery Protocol. A low-privileged local...
CVE-2026-34340: Windows ProjFS Patch Fixes Critical EoP Flaw
Microsoft addressed a critical elevation-of-privilege (EoP) vulnerability in the Windows Projected File System (ProjFS) as part of its May 2026 Patch Tuesday updates. The flaw, tracked as...
Apply May 2026 Patch for Windows Telephony EoP Flaw CVE-2026-34338
On May 12, 2026, Microsoft published details on CVE-2026-34338, a new elevation-of-privilege (EoP) vulnerability affecting the Windows Telephony Service. The disclosure arrived as part of the...
CVE-2026-34337 Windows Cloud Files Driver Bug Grants SYSTEM — Patch Now
Microsoft has listed a new elevation-of-privilege vulnerability under CVE-2026-34337 in its Security Update Guide, affecting the Windows Cloud Files Mini Filter Driver. The flaw, rated Important by...
CVE-2026-34334 Windows TCP/IP Bug: Patch Now for SYSTEM Access
Microsoft has flagged CVE-2026-34334, a Windows TCP/IP privilege escalation vulnerability, with a critical exploitability assessment, pushing it to the top of the patch priority list for system...
CVE-2026-33838: Windows MSMQ Bug Gives SYSTEM Access via Malformed Message
Microsoft disclosed a critical elevation-of-privilege vulnerability in its legacy Message Queuing service as part of the May 2026 Patch Tuesday releases. Tracked as CVE-2026-33838, the flaw allows a...