Win32k
The latest Win32k coverage — news, analysis, and updates from the WindowsNews.AI desk.
Urgent: Windows Win32K GRFX Race Condition Exploitable for Kernel Code Execution – Patch Now
Microsoft has disclosed a dangerous race condition vulnerability in the Windows graphics subsystem’s Win32K component, tracked as CVE-2025-55228, that allows an authenticated local attacker to gain...
Patch Now: CVE-2025-54919 Win32K Bug Opens Door to Instant SYSTEM-Level Compromise
Microsoft has released a security update for a high‑impact race condition vulnerability in the Windows Win32K graphics subsystem that could allow an authenticated local attacker to gain...
Microsoft Warns of CVE-2025-53726: Windows Push Notification Flaw Grants SYSTEM Access to Local Attackers
Microsoft has published a high-priority security advisory for CVE-2025-53726, a type-confusion vulnerability in the Windows Push Notifications component that allows an authenticated local attacker to...
Windows Notification Use‑After‑Free Vulnerability (CVE‑2025‑49725) Grants Attackers SYSTEM Privileges
Microsoft has patched a critical use‑after‑free vulnerability in the Windows Notification subsystem that could allow an authenticated local attacker to escalate privileges to SYSTEM. Tracked as...
Microsoft Issues Urgent Fix for CVE-2025-53724: Windows Push Notifications Type Confusion Bug Enables SYSTEM Access
Microsoft’s latest security advisory warns of a serious elevation-of-privilege vulnerability in the Windows Push Notifications Apps component, tracked as CVE-2025-53724. The flaw, rooted in a type...
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...
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...
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...
Win32k Under Siege: Unpacking the Critical CVE-2025-49733 Flaw and How to Stay Safe
Microsoft has disclosed a critical security vulnerability, cataloged as CVE-2025-49733, impacting the core of the Windows operating system. The flaw resides in the Win32k subsystem, a foundational...
Critical Windows Kernel Vulnerability CVE-2025-26681 Exposes Systems to Privilege Escalation Attacks
A newly disclosed critical vulnerability in the Windows kernel, designated CVE-2025-26681, exposes millions of systems to privilege escalation attacks through a fundamental flaw in how the operating...
Windows 11 Insider Build 27764 GSOD Bug Fixed: Win32k Failure & DMA Impact
Microsoft has finally resolved a persistent and disruptive bug that plagued Windows 11 Insider Preview users for weeks, causing frequent green screens of death (GSOD) related to the critical Win32k...
Critical Win32k Vulnerability CVE-2024-38246: Privilege Escalation Flaw Patched by Microsoft
A low hum of activity pulses through the digital ecosystem of Windows as another critical vulnerability surfaces, this time deep within the Win32k subsystem—the foundational layer responsible for...