Time-of-Check Time-of-Use Race Condition in Linux Kernel by Microsoft

CVE-2026-62840

What is CVE-2026-62840?

A time-of-check time-of-use (TOCTOU) race condition has been identified in the Linux Kernel, enabling an authorized attacker to exploit the vulnerability to elevate privileges locally. This flaw poses a significant security risk as it can potentially allow malicious users to gain escalated access to system resources, compromising the integrity of the affected environments. Administrators are advised to review the vendor's advisory and apply the necessary patches to mitigate any risks associated with this security issue.

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