MinorCritical vulnerability
CVE-2026-97794 (CVSS 7.8)
NVD · officialPublished Oct 13, 2026Risk 23/100
Heap-based buffer overflow in Windows Container Isolation FS Filter Driver (unionfs.sys) allows an authorized attacker to elevate privileges locally.
Technical details
CVSS
7.8
AV:LocalAC:LowPR: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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