CVE-2026-20941

Published Jan 13, 2026

Last updated 5 months ago

Overview

AI description

Automated description summarized from trusted sources.

CVE-2026-20941 is a local privilege escalation vulnerability found in the Host Process for Windows Tasks. This flaw stems from improper link resolution before file access, often referred to as "link following" (CWE-59). An authorized attacker with local access to the system can exploit this vulnerability to elevate their privileges. Specifically, the vulnerability can be leveraged by manipulating symbolic links and junction points, potentially through the `\Microsoft\Windows\WindowsAI\Recall\PolicyConfiguration` scheduled task, to trick the Host Process for Windows Tasks into performing unauthorized file operations. This issue affects Windows 11 versions 24H2 and 25H2, as well as Windows Server 2025.

Description
Improper link resolution before file access ('link following') in Host Process for Windows Tasks allows an authorized attacker to elevate privileges locally.
Source
secure@microsoft.com
NVD status
Analyzed
Products
windows_11_24h2, windows_11_25h2, windows_server_2025

Risk scores

CVSS 3.1

Type
Primary
Base score
7.8
Impact score
5.9
Exploitability score
1.8
Vector string
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Severity
HIGH

Weaknesses

secure@microsoft.com
CWE-59

Social media

Hype score
Not currently trending

Configurations

References

Sources include official advisories and independent security research.