CVE-2026-62772

HighCVSS 7.8

Published: 11/08/2026(UTC)Updated: 13/08/2026(UTC)Translated: 11/08/2026(UTC)NVD NIST

Exploitation Probability (EPSS)

Low risk

0.25%

16th percentile - higher than 16% of all known CVEs

Summary

Heap-based buffer overflow in the Windows Container Isolation FS Filter Driver (unionfs.sys) allows an authorized attacker to elevate privileges locally.

Risk Assessment

An attacker with limited privileges could gain full control of the system, compromising confidentiality, integrity, and availability.

Recommendation

Apply the latest Windows security updates to remediate this vulnerability.

Original NVD description (English source)

Heap-based buffer overflow in Windows Container Isolation FS Filter Driver (unionfs.sys) allows an authorized attacker to elevate privileges locally.