CVE-2026-83513CWE-122

CVE-2026-83513

High · published October 13, 2026

CVSS v3.1
7.8
EPSS
0%
Percentile
26.4
In the wild
Unconfirmed
What it is

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

The record
Technical detail
CVSS v3.1
7.8 · HIGH
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00341 · 26.4th percentile
Weakness
CWE-122 · Heap-based Buffer Overflow
Published
2026-10-13T23:19Z
References (1)
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-83513 · [email protected]
EPSS history
Timeline
  • 15 OCT 03:34Z
    EPSS moved — → 0%
    epss
  • 13 OCT 19:00Z
    Windows Universal Disk Format File System Driver (UDFS) Elevation of Privilege Vulnerability
    cvelistv5
  • 13 OCT 19:00Z
    Windows Universal Disk Format File System Driver (UDFS) Elevation of Privilege Vulnerability
    cvelistv5