CVE-2026-83507CWE-59

CVE-2026-83507

Medium · published October 13, 2026

CVSS v3.1
5.5
EPSS
0%
Percentile
37.7
In the wild
Unconfirmed
What it is

Improper link resolution before file access ('link following') in Windows Update Orchestrator Service allows an authorized attacker to disclose information locally.

The record
Technical detail
CVSS v3.1
5.5 · MEDIUM
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
CVSS v4.0
Not supplied
EPSS
0.00446 · 37.7th percentile
Weakness
CWE-59 · Improper Link Resolution Before File Access ('Link Following')
Published
2026-10-13T23:19Z
References (1)
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-83507 · [email protected]
EPSS history
Timeline
  • 15 OCT 03:34Z
    EPSS moved — → 0%
    epss
  • 13 OCT 19:00Z
    Windows Update Orchestrator Service Information Disclosure Vulnerability
    cvelistv5
  • 13 OCT 19:00Z
    Windows Update Orchestrator Service Information Disclosure Vulnerability
    cvelistv5