CVE-2026-83930CWE-416

CVE-2026-83930

High · published October 13, 2026

CVSS v3.1
7.0
EPSS
0%
Percentile
11.7
In the wild
Unconfirmed
What it is

Use after free in Windows Update Orchestrator Service allows an authorized attacker to elevate privileges locally.

The record
Technical detail
CVSS v3.1
7.0 · HIGH
Vector
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00219 · 11.7th percentile
Weakness
CWE-416 · Use After Free
Published
2026-10-13T23:20Z
References (1)
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-83930 · [email protected]
EPSS history
Timeline
  • 15 OCT 03:34Z
    EPSS moved — → 0%
    epss
  • 13 OCT 19:01Z
    Windows Update Orchestrator Service Elevation of Privilege Vulnerability
    cvelistv5
  • 13 OCT 19:01Z
    Windows Update Orchestrator Service Elevation of Privilege Vulnerability
    cvelistv5