Toctou
The latest Toctou coverage — news, analysis, and updates from the WindowsNews.AI desk.
Python FileLock TOCTOU Vulnerability (CVE-2026-22701): Security Risks & Patch 3.20.3 Analysis
A critical security vulnerability has been discovered in the widely-used Python filelock package, specifically affecting its SoftFileLock implementation. Designated as CVE-2026-22701, this...
Podman’s TOCTOU Race Hits Azure Linux: Microsoft’s Fix, Mitigations, and What Admins Must Do Now
A patched-but-still-lurking flaw in Podman, the popular daemonless container engine, has now been formally linked to Microsoft’s own Azure Linux distribution. The vulnerability—a...
CVE-2026-21517: Critical Windows App Installer EoP Vulnerability Explained
Microsoft has disclosed a significant security vulnerability, tracked as CVE-2026-21517, affecting the Windows App Installer components, specifically those targeting macOS applications. This local...
CVE-2025-68146: Critical TOCTOU Vulnerability in Python Filelock Library
A critical security vulnerability has been discovered in filelock, the widely-used platform-independent file-locking library for Python, exposing systems to potential race condition attacks....
CVE-2024-30099: Windows Kernel TOCTOU Flaw Patched in June 2024 Security Update
Microsoft addressed a critical Windows kernel elevation-of-privilege vulnerability tracked as CVE-2024-30099 in its June 2024 Patch Tuesday security updates, revealing a sophisticated...
CVE-2025-31133: Critical runc Container Escape Vulnerability Explained
A critical security vulnerability in runc, the low-level container runtime used by Docker, Kubernetes, and other container platforms, has been disclosed as CVE-2025-31133. This high-severity flaw...
Linux Kernel CVE-2025-40331: SCTP TOCTOU Vulnerability Explained
The Linux kernel security landscape has seen another critical vulnerability emerge, with CVE-2025-40331 addressing a time-of-check to time-of-use (TOCTOU) race condition in the Stream Control...
CVE-2025-46327: Critical TOCTOU Flaw in Go Snowflake Driver Threatens Azure Data
A critical security vulnerability designated CVE-2025-46327 has been discovered in the Go Snowflake database driver (gosnowflake), posing a significant risk to applications handling sensitive data in...
CVE-2024-42107: Critical Intel Ice Driver TOCTOU Vulnerability Fixed in Linux Kernel
A significant security vulnerability in the Intel \"ice\" network driver has been patched in the Linux kernel, addressing a race condition that could lead to kernel panics and potential...
CVE-2025-59497: Critical TOCTOU Vulnerability in Defender for Endpoint Linux
Microsoft has disclosed a significant security vulnerability in Defender for Endpoint for Linux, identified as CVE-2025-59497, which exposes systems to potential local privilege escalation attacks...
TOCTOU Bug in Windows Graphics Gives Local Attackers SYSTEM Access
Microsoft has disclosed a critical security vulnerability in the Windows Graphics Component that could allow authenticated local attackers to escalate privileges on affected systems. CVE-2025-59261...
Windows Kernel Race Condition Opens Door to System Takeover – Patch Now, Microsoft Says
Microsoft has confirmed a dangerous flaw in the Windows kernel that could let an attacker with minimal access take full control of a system, and the company is urging everyone to install the...