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    CVE-2026-85879

    Time-of-check time-of-use (toctou) race condition in Windows Subsystem for Linux allows an authorized attacker to elevate privileges locally.

    Published:Oct 13, 2026
    Last Modified:Oct 13, 2026
    EPS:Oct 13, 2026
    EPSS Score:
    CVSS Score:7

    Affected Products

    Vendor
    Microsoft
    Product
    Windows Subsystem For Linux

    Exploits

    No exploit reference

    Related CVEs

    CVE-2026-102204 (CVSS 7.8) — Improper link resolution before file access ('link following') in Windows Subsystem for Linux allows an author…
    CVE-2026-96206 (CVSS 6.5) — Use of uninitialized resource in Windows Subsystem for Linux allows an authorized attacker to disclose informa…
    CVE-2026-57973 (CVSS 6.3) — Time-of-check time-of-use (toctou) race condition in Windows Subsystem for Linux allows an authorized attacker…
    CVE-2026-57968 (CVSS 7.8) — Buffer over-read in Windows Subsystem for Linux allows an authorized attacker to elevate privileges locally.…
    CVE-2025-62220 (CVSS 8.8) — Heap-based buffer overflow in Windows Subsystem for Linux GUI allows an unauthorized attacker to execute code …
    CVE-2025-53788 (CVSS 7) — Time-of-check time-of-use (toctou) race condition in Windows Subsystem for Linux allows an authorized attacker…
    CVE-2022-44689 (CVSS 7.8) — Windows Subsystem for Linux (WSL2) Kernel Elevation of Privilege Vulnerability…
    CVE-2022-38014 (CVSS 7) — Windows Subsystem for Linux (WSL2) Kernel Elevation of Privilege Vulnerability…
    CVE-2021-43907 (CVSS 9.8) — Visual Studio Code WSL Extension Remote Code Execution Vulnerability…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High