Windows Security
The latest Windows Security coverage — news, analysis, and updates from the WindowsNews.AI desk.
Microsoft Patches Critical DirectX Kernel Race Condition Exploit (CVE-2025-53135) Threatening Windows Systems
Microsoft has released a security update for a local privilege escalation vulnerability in the Windows DirectX Graphics Kernel, tracked as CVE-2025-53135. The flaw, residing in the dxgkrnl driver,...
New Win32k GRFX Race Condition Lets Attackers Hijack Windows Systems — Patch Now
A race-condition vulnerability in the Windows Win32k GRFX kernel component, assigned CVE-2025-53132, enables local attackers to escalate privileges to SYSTEM and take full control of an unpatched...
CVE-2025-50177: Critical Use-After-Free Bug in Microsoft Message Queuing Could Allow Remote Code Execution
{ "title": "CVE-2025-50177: Critical Use-After-Free Bug in Microsoft Message Queuing Could Allow Remote Code Execution", "content": "Microsoft has dropped a bombshell on Windows administrators: a...
Microsoft Patches CVE-2025-50176: DirectX Kernel Type-Confusion Bug Allows SYSTEM Compromise
Microsoft has issued a critical security update for CVE-2025-50176, a type-confusion vulnerability in the DirectX Graphics Kernel (dxgkrnl) that allows an authenticated attacker to execute arbitrary...
Microsoft Patches Windows Installer Flaw Allowing SYSTEM-Level Elevation
Microsoft has fixed a high-impact elevation-of-privilege vulnerability in Windows Installer that could allow a locally authorized attacker to gain SYSTEM-level privileges on unpatched systems....
Microsoft Warns of DirectX Kernel DoS Flaw That Can Crash Hosts Through Unchecked Graphics Allocations
Microsoft has issued a security advisory for CVE-2025-50172, a vulnerability in the DirectX Graphics Kernel that allows an authenticated attacker to exhaust system resources and cause a...
Immediate Patch Urged for Windows Cloud Files Driver Flaw (CVE-2025-50170) That Escalates to SYSTEM
Microsoft has released a security advisory for CVE-2025-50170, a local elevation-of-privilege vulnerability in the Windows Cloud Files Mini Filter Driver (cldflt.sys) that could allow an attacker...
137 Fixes and a Win32K Type-Confusion Bug: Microsoft’s Mammoth July Patch Tuesday
Microsoft’s July 2025 security update is a behemoth, shipping patches for 137 vulnerabilities, including a zero-day in SQL Server and a heap of critical remote code execution flaws. But buried in...
Windows SMB Bug CVE-2025-50169 Opens Door to Remote Code Execution — Patch Now
Microsoft’s June 2025 Patch Tuesday included a fix for a race-condition vulnerability in the Windows Server Message Block (SMB) protocol that can be exploited over the network to run malicious code...
RRAS Heap Overflow Crisis: Two High-Severity Flaws Hit Windows Server, PoCs Expected Soon
A pair of heap-based buffer overflow vulnerabilities in Microsoft’s Routing and Remote Access Service (RRAS) are forcing enterprise administrators into emergency patch mode. CVE-2025-33064 and...
Urgent Patch for CVE-2025-50161: Win32K GRFX Heap Overflow Enables SYSTEM Escalation
Microsoft's latest security advisory warns of a heap-based buffer overflow in the Win32K GRFX subsystem that could allow an authenticated local attacker to escalate privileges to SYSTEM. Identified...
The CVE That Wasn't: Unpacking NTFS TOCTOU Risks and Microsoft’s 2025 Patch Reality
A flurry of confusion swept across sysadmin channels this week after an advisory citing “CVE-2025-50158 — Windows NTFS Information Disclosure (TOCTOU)” began circulating, only for anyone...