MinorCritical vulnerability

CVE-2026-97787 (CVSS 7.0)

NVD · officialPublished Oct 13, 2026Risk 23/100

Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Container Isolation FS Filter Driver (unionfs.sys) allows an authorized attacker to elevate privileges locally.

Technical details

CVSS

7.0

AV:LocalAC:HighPR:LowUI:NoneC:HighI:HighA:High

Evidence and sources

This record is attributed to NVD. Exploitation status and remediation guidance are kept separate from the vulnerability's technical severity.

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