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MEDIUM · 6.3

CVE-2026-57973

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

Vulnerability Description

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

CVSS Score

6.3

MEDIUM

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N
Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
NONE

Affected Products

VendorProductVersions
MicrosoftWindows Subsystem For Linux< 2.7.10

Related Weaknesses (CWE)

CWE-367

References

FAQ

What is CVE-2026-57973?

CVE-2026-57973 is a vulnerability with a CVSS score of 6.3 (MEDIUM). Time-of-check time-of-use (toctou) race condition in Windows Subsystem for Linux allows an authorized attacker to perform tampering locally.

How severe is CVE-2026-57973?

CVE-2026-57973 has been rated MEDIUM with a CVSS base score of 6.3/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-57973?

Check the references section above for vendor advisories and patch information. Affected products include: Microsoft Windows Subsystem For Linux.