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High severity7.0NVD Advisory· Published Oct 13, 2026· Updated Oct 13, 2026

CVE-2026-85879

CVE-2026-85879

Description

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

Affected products

1

Microsoft/Windows Subsystem For Linuxllm-fuzzy

Patches

Vulnerability mechanics

References

1

msrc.microsoft.com/update-guide/vulnerability/CVE-2026-85879nvd

News mentions

0

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