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.

CVSS v3 6.3 MEDIUM

6.3^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.0 / Impact : 5.2

Attack Vector LOCAL

Attack Complexity HIGH

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-57973	Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:microsoft:windows_subsystem_for_linux:*:*:*:*:*:-:*:*

History

20 Jul 2026, 18:39

Type	Values Removed	Values Added
First Time		Microsoft windows Subsystem For Linux Microsoft
References	~~() https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-57973 -~~	() https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-57973 - Vendor Advisory
CPE		cpe:2.3:a:microsoft:windows_subsystem_for_linux::::::-::*

14 Jul 2026, 18:18

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-07-14 18:18

Updated : 2026-07-20 18:39

NVD link : CVE-2026-57973

Mitre link : CVE-2026-57973

CVE.ORG link : CVE-2026-57973

JSON object : View

Products Affected

microsoft

windows_subsystem_for_linux

CWE

CWE-367

Time-of-check Time-of-use (TOCTOU) Race Condition

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