Toctou
The latest Toctou coverage — news, analysis, and updates from the WindowsNews.AI desk.
CVE-2025-53136: Windows 11 Update Leaks Kernel Pointers, Defeating KASLR
Microsoft's attempt to seal a kernel security hole has backfired. A patch originally shipped in October 2024 to fix CVE-2024-43511 inadvertently created a new vulnerability—tracked as...
Windows camsvc Race Condition Exploited for SYSTEM Access: Urgent Patch Deployed
A race condition in the Windows Capability Access Management Service (camsvc) allows a local attacker to escalate privileges to SYSTEM, Microsoft confirmed in a July 2025 security advisory. The...
Microsoft's Brokering File System Hit by Race Condition—Attackers Can Seize SYSTEM
Microsoft has confirmed a local elevation-of-privilege vulnerability in its Brokering File System that hands a low-privileged local user a pathway to full SYSTEM control. Tracked as CVE-2025-54105,...
CVE-2025-54093: Windows TCP/IP Race Condition Grants SYSTEM Access – Patch Now
Microsoft has disclosed a local elevation-of-privilege vulnerability in the Windows TCP/IP driver that gives authenticated attackers a clear path to SYSTEM-level control. Tracked as CVE-2025-54093...
CVE-2025-55236: Windows Graphics Kernel Race Condition Allows Attackers to Escalate to SYSTEM — Patch Now
Microsoft has published advisory CVE-2025-55236, a time-of-check/time-of-use (TOCTOU) race condition in the Windows Graphics Kernel that hands local, authenticated attackers a path to elevate...
CISA Warns: Patch Linux Kernel, Android, and Sitecore Now as Active Attacks Confirmed
{ "title": "CISA Warns: Patch Linux Kernel, Android, and Sitecore Now as Active Attacks Confirmed", "content": "CISA has added three actively exploited vulnerabilities to its Known Exploited...
WSL 2.5.10 Fixes TOCTOU Bug: Microsoft Acts Fast on CVE-2025-53788 Privilege Escalation
Microsoft released an out-of-band Windows Subsystem for Linux (WSL) update on August 6, 2025, patching a local elevation-of-privilege vulnerability that could let attackers break out of WSL2...
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...
CVE-2025-49730: Understanding the Critical Windows QoS Privilege Escalation Flaw
A critical security vulnerability has been identified in a core component of Microsoft Windows, posing a significant threat to systems worldwide. Tracked as CVE-2025-49730, this flaw resides within...
Critical BitLocker Flaw CVE-2025-48818 Exposes Windows Devices to Physical Attacks
A newly discovered vulnerability in Microsoft's BitLocker drive encryption (CVE-2025-48818) has sent shockwaves through the cybersecurity community, challenging long-held beliefs about the...
Critical Windows BitLocker Flaw (CVE-2025-48001) Allows Encryption Bypass
Critical Windows BitLocker Flaw (CVE-2025-48001) Allows Encryption Bypass A significant vulnerability, identified as CVE-2025-48001, has been discovered in Microsoft's BitLocker full-disk encryption...
Critical Windows TOCTOU Flaw CVE-2025-21191 Exposes LSA Privilege Escalation Risk
In the shadowed corridors of Windows security architecture, a newly unearthed flaw designated CVE-2025-21191 threatens to undermine the very foundations of system integrity—a critical Time-of-Check...