CVE-2025-21204

Published Apr 8, 2025

Last updated 6 days ago

Windows Update Stack

Overview

AI description

Automated description summarized from trusted sources.

CVE-2025-21204 is a vulnerability in the Windows Update Stack. It stems from improper link resolution before file access, specifically a flaw known as "link following." This vulnerability allows an authorized attacker to elevate their privileges locally on a system.

Description: Improper link resolution before file access ('link following') in Windows Update Stack allows an authorized attacker to elevate privileges locally.
Source: secure@microsoft.com
NVD status: Analyzed

Risk scores

CVSS 3.1

Type: Secondary
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

Hype score: Not currently trending

Configurations

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References

Sources include official advisories and independent security research.