toctou

A Time‑of‑Check/Time‑of‑Use (TOCTOU) race in the SoftFileLock implementation of the widely used Python package filelock (tracked as CVE‑2026‑22701) allows a local attacker who can create symbolic links to interpose between permission checks and file creation, producing silent lock failures...

A Time‑of‑check / Time‑of‑use (TOCTOU) race condition in Podman — tracked as CVE‑2023‑0778 — allows a low‑privilege user to replace a regular file in a container volume with a symlink during an export operation, potentially causing Podman to follow that symlink and expose arbitrary host files to...

Microsoft’s advisory for CVE-2026-21517 confirms a local Elevation of Privilege (EoP) vulnerability in the Windows App (macOS-targeted) installer components that can allow a low‑privilege user or process to obtain administrative or SYSTEM‑equivalent rights on a vulnerable host. The vendor record...

filelock, the widely used platform‑independent file‑locking library for Python, is the subject of a newly public vulnerability — CVE‑2025‑68146 — that exposes a classic Time‑of‑Check‑Time‑of‑Use (TOCTOU) race condition in lock file creation. The flaw allows a local attacker who can create...

Microsoft confirmed a Windows kernel elevation-of-privilege flaw tracked as CVE-2024-30099 on June 11, 2024 — a time-of-check/time-of-use (TOCTOU) race-condition in kernel code that Microsoft rated as an important local Elevation of Privilege (EoP) and patched in the June 11, 2024 cumulative...

runc contains a newly disclosed local container escape and information-disclosure vulnerability (CVE-2025-31133) that abuses runc’s maskedPaths handling by exploiting mount/race conditions around bind-mounting the container’s /dev/null, and operators must treat hosts that run untrusted images or...

A recently disclosed Linux kernel vulnerability, tracked as CVE-2025-40331, closes a small but significant TOCTOU (time‑of‑check/time‑of‑use) window in the kernel’s SCTP diagnostic path to prevent an out‑of‑bounds write that can crash or destabilize affected systems. The fix is localized to...

The Go Snowflake driver (gosnowflake) was assigned CVE-2025-46327 after researchers discovered a Time-of-Check to Time-of-Use (TOCTOU) race condition in the driver’s Easy Logging feature that can let a local, low-privilege attacker manipulate logging configuration files and influence log level...

The Linux kernel patch for CVE-2024-42107 fixes a race in the Intel "ice" network driver where an external timestamp interrupt handler could process a timestamp after the driver had released its Precision Time Protocol (PTP) clock — a timing-of-check/time-of-use (TOCTOU) race that could produce...

Microsoft has published an advisory for CVE-2025-59497, a time-of-check time-of-use (TOCTOU) race condition in Microsoft Defender for Endpoint on Linux that can be triggered by an authorized local actor to produce a denial-of-service (DoS) condition; a security update was released on October 14...

Microsoft has published an advisory for CVE-2025-59261, a time-of-check, time-of-use (TOCTOU) race-condition in the Windows Graphics Component that can allow an authenticated local user to escalate privileges to a higher local authority on affected systems. Background / Overview The Windows...

A newly recorded Windows kernel vulnerability, tracked as CVE-2025-55696, is a time‑of‑check/time‑of‑use (TOCTOU) race in the NtQueryInformationToken implementation (ntifs.h) that can allow a local attacker to elevate privileges to SYSTEM when exploited; Microsoft has published the entry in its...

A routine security update intended to tighten Windows kernel defenses has instead opened a new attack vector: a reliably exploitable information‑disclosure bug tracked as CVE‑2025‑53136 that leaks kernel addresses on Windows 11 and Windows Server 2022 24H2 builds. The vulnerability—rooted in...

A newly disclosed race‑condition vulnerability in the Windows Capability Access Management Service (camsvc) can be abused by a local attacker to escalate privileges to SYSTEM on unpatched hosts, and organizations should treat the advisory as a high‑priority patching event for affected Windows...

Microsoft has published an advisory for CVE-2025-54105 — a local elevation-of-privilege vulnerability in the Microsoft Brokering File System (BFS) caused by a concurrency bug (race condition) that can be exploited by an authenticated local user to gain elevated rights on the host. Background The...

Title: CVE‑2025‑54093 — Windows TCP/IP Driver TOCTOU Race Condition (Local Elevation of Privilege) Summary What it is: A time‑of‑check/time‑of‑use (TOCTOU) race condition in the Windows TCP/IP driver that Microsoft lists as CVE‑2025‑54093. Microsoft’s advisory describes the flaw as a TOCTOU...

A newly catalogued vulnerability in the Windows Graphics Kernel, tracked as CVE-2025-55236, is a time-of-check/time-of-use (TOCTOU) race condition that Microsoft warns can allow an authorized local attacker to execute code on an affected host; the vendor’s advisory identifies the flaw as a...

CISA’s latest update to the Known Exploited Vulnerabilities (KEV) Catalog adds three actively exploited flaws — a Linux kernel TOCTOU race condition, an Android Runtime issue, and a high‑impact Sitecore deserialization vulnerability — forcing organizations that track KEV and federal agencies...

Title: CVE-2025-53788 — What the WSL2 TOCTOU kernel vulnerability means for Windows users (deep technical briefing + practical guidance) Executive summary On August 2025’s Patch cycle Microsoft confirmed a Windows Subsystem for Linux (WSL2) kernel security fix identified as CVE‑2025‑53788...

Breaking down the NTFS TOCTOU alert — why I couldn’t find CVE‑2025‑50158, and what Windows users should do now By [Your Name], WindowsForum.com — August 12, 2025 Lead: You sent a pointer to an MSRC advisory for "CVE‑2025‑50158 — Windows NTFS Information Disclosure (TOCTOU)". I searched the major...