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Medium severity6.3NVD Advisory· Published Jul 14, 2026· Updated Jul 20, 2026

CVE-2026-57973

CVE-2026-57973

Description

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

Affected products

2

Microsoft/Windows Subsystem for Linux (WSL2) Kernelllm-fuzzy
Microsoft/Windows Subsystem For Linux
cpe:2.3:a:microsoft:windows_subsystem_for_linux:*:*:*:*:*:-:*:*
Range: <2.7.10

Patches

Vulnerability mechanics

References

1

msrc.microsoft.com/update-guide/vulnerability/CVE-2026-57973nvdVendor Advisory

News mentions

0

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