CVE-2025-21204

April 9, 2025, 8:03 p.m.

7.8
High

Description

Improper link resolution before file access ('link following') in Windows Update Stack allows an authorized attacker to elevate privileges locally.

Product(s) Impacted

Product Versions
windows_update_stack
  • *

Weaknesses

Common security weaknesses mapped to this vulnerability.

CWE-59
Improper Link Resolution Before File Access ('Link Following')
The product attempts to access a file based on the filename, but it does not properly prevent that filename from identifying a link or shortcut that resolves to an unintended resource.

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21204

Tags

CWE-59
secure@microsoft.com
2025-04-08
CVE-2025-21204

CVSS Score

7.8 / 10

CVSS Data - 3.1

  • Attack Vector: LOCAL
  • Attack Complexity: LOW
  • Privileges Required: LOW
  • Scope: UNCHANGED
  • Confidentiality Impact: HIGH
  • Integrity Impact: HIGH
  • Availability Impact: HIGH

    • CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

    View Vector String

Timeline

Published: April 8, 2025, 6:15 p.m.
Last Modified: April 9, 2025, 8:03 p.m.

Status : Awaiting Analysis

CVE has been recently published to the CVE List and has been received by the NVD.

More info

Source

secure@microsoft.com

*Disclaimer: Some vulnerabilities do not have an associated CPE. To enhance the data, we use AI to infer CPEs based on CVE details. This is an automated process and might not always be accurate.