What is CVE-2025-21194?

CVE-2025-21194 is a high-severity vulnerability in Microsoft Surface Go, classified under Improper Input Validation. CVSS score: 7.1/10. Published 2025-02-11.

How severe is CVE-2025-21194?

High severity. CVSS v3 base score is 7.1 out of 10.

Improper input validation in Microsoft Surface Go

CVE-2025-21194

Microsoft Surface Security Feature Bypass Vulnerability

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

Published 2025-02-11 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:A/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.008 (56.4th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 56th percentile — 56.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: +0.000

Affected products

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21194 (vendor-advisory, patch, Vendor Advisory)

Frequently asked questions

What is CVE-2025-21194?: CVE-2025-21194 is a high-severity vulnerability in Microsoft Surface Go, classified under Improper Input Validation. CVSS score: 7.1/10. Published 2025-02-11.
How severe is CVE-2025-21194?: High severity. CVSS v3 base score is 7.1 out of 10.