CVE-2026-73027CWE-15

CVE-2026-73027

High · published October 13, 2026

CVSS v3.1
7.8
EPSS
0%
Percentile
29.1
In the wild
Unconfirmed
What it is

External control of system or configuration setting in Windows Setup Files Cleanup 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
0.00364 · 29.1th percentile
Weakness
CWE-15 · External Control of System or Configuration Setting
Published
2026-10-13T23:19Z
References (1)
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-73027 · [email protected]
EPSS history
Timeline
  • 15 OCT 03:34Z
    EPSS moved — → 0%
    epss
  • 13 OCT 19:00Z
    Windows Setup Files Cleanup Elevation of Privilege Vulnerability
    cvelistv5
  • 13 OCT 19:00Z
    Windows Setup Files Cleanup Elevation of Privilege Vulnerability
    cvelistv5