CVE-2026-85820

HighCVSS 7.8

Published: 13/10/2026(UTC)Updated: 16/10/2026(UTC)Translated: 14/10/2026(UTC)NVD NIST

Exploitation Probability (EPSS)

Low risk

0.32%

23th percentile - higher than 23% of all known CVEs

Summary

Use after free in Windows Universal Disk Format File System Driver (UDFS) allows an authorized attacker to elevate privileges locally.

Risk Assessment

An attacker could exploit this to gain elevated privileges, potentially leading to system integrity compromise.

Recommendation

Apply security updates for Windows and monitor the system for suspicious activity.

Other vulnerabilities in Windows UDFS

See all

CVE-2026-96953High
Null pointer dereference in Windows Universal Disk Format File System Driver (UDFS) allows an authorized attacker to execute code locally.
CVE-2026-96950High
Use-after-free in the Windows Universal Disk Format File System Driver (UDFS) allows an authorized attacker to elevate privileges locally.
CVE-2026-96949High
Use-after-free in the Windows Universal Disk Format File System Driver (UDFS) allows an authorized attacker to elevate privileges locally.
CVE-2026-96947High
Use-after-free in the Windows Universal Disk Format File System Driver (UDFS) allows an authorized attacker to elevate privileges locally.
CVE-2026-96946High
Use-after-free in the Windows Universal Disk Format File System Driver (UDFS) allows an authorized attacker to elevate privileges locally.
CVE-2026-96930Medium
Out-of-bounds read in Windows Universal Disk Format File System Driver (UDFS) allows an authorized attacker to disclose information locally.
CVE-2026-85825High
Use after free in Windows Universal Disk Format File System Driver (UDFS) allows an authorized attacker to elevate privileges locally.
CVE-2026-83857High
Use after free in Windows Universal Disk Format File System Driver (UDFS) allows an authorized attacker to elevate privileges locally.
CVE-2026-69758High
Heap-based buffer overflow in Windows Universal Disk Format File System Driver (UDFS) allows an authorized attacker to elevate privileges locally.
CVE-2026-69592High
Heap-based buffer overflow in Windows Universal Disk Format File System Driver (UDFS) allows an authorized attacker to elevate privileges locally.

Original NVD description (English source)

Use after free in Windows Universal Disk Format File System Driver (UDFS) allows an authorized attacker to elevate privileges locally.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS