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HIGH

CVE-2025-21204

CVSS v3

7.8

HIGH

EPSS Score

6.9 %

exploit probability

CISA KEV

No

known exploited

Exploitation

SSVC status

Description

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

Technical details

Published
2025-04-08

Frequently asked questions

What is CVE-2025-21204?

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

Is CVE-2025-21204 actively exploited?

Active exploitation of CVE-2025-21204 has not been confirmed. The EPSS score is 6.9%, indicating the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2025-21204?

CVE-2025-21204 has a CVSS v3 base score of 7.8 (HIGH severity).

Is CVE-2025-21204 affecting your environment?

Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.

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