PT-2026-2712 · Microsoft · Windows Management Services+1

Published 2026-01-13 · Updated 2026-01-13 · CVE-2026-20867

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Windows Management Services (affected versions not specified)

Description A race condition exists due to concurrent execution using a shared resource with improper synchronization within Windows Management Services. This allows an authorized attacker to elevate privileges locally.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Race Condition

Double Free

Use After Free

Weakness Enumeration

CWE-362

CWE-415

CWE-416

Related Identifiers

BDU:2026-00411

CVE-2026-20867

Affected Products

Windows

Windows Management Services

References · 7

• https://bdu.fstec.ru/vul/2026-00411 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-20867 · Security Note
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-20867 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-20867 · Security Note
• https://osv.dev/vulnerability/CVE-2026-20867 · Vendor Advisory
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2026-20867 · Vendor Advisory
• https://twitter.com/CVEnew/status/2011181515817033925 · Twitter Post