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Description

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

PUBLISHED Reserved 2026-06-26 | Published 2026-07-14 | Updated 2026-07-14 | Assigner microsoft




MEDIUM: 6.3CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C

Problem types

CWE-367: Time-of-check Time-of-use (TOCTOU) Race Condition

Product status

5.0.0.0 (custom) before 2.7.10
affected

References

msrc.microsoft.com/update-guide/vulnerability/CVE-2026-57973 (Windows Subsystem for Linux (WSL2) Kernel Tampering Vulnerability) vendor-advisory patch

cve.org (CVE-2026-57973)

nvd.nist.gov (CVE-2026-57973)

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