What is CVE-2025-12911?

CVE-2025-12911 is a medium-severity vulnerability in Google Chrome, classified under User Interface (UI) Misrepresentation of Critical Information. CVSS score: 4.3/10. Published 2025-11-08.

How severe is CVE-2025-12911?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Vulnerability in Google Chrome

CVE-2025-12911

Inappropriate implementation in Permissions in Google Chrome prior to 140.0.7339.80 allowed a remote attacker to perform UI spoofing via a crafted HTML page. (Chromium security severity: Low)

Published 2025-11-08 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N.

EPSS exploit prediction

EPSS: 0.002 (4.4th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 4th percentile — 4.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000

Affected products

Google Chrome — versions 140.0.7339.80

Weakness classification (CWE)

CWE-451 — User Interface (UI) Misrepresentation of Critical Information

References

chromereleases.googleblog.com/2025/09/stable-channel-update-for-desktop.html (Vendor Advisory)
issues.chromium.org/issues/423670839 (Issue Tracking)

Frequently asked questions

What is CVE-2025-12911?: CVE-2025-12911 is a medium-severity vulnerability in Google Chrome, classified under User Interface (UI) Misrepresentation of Critical Information. CVSS score: 4.3/10. Published 2025-11-08.
How severe is CVE-2025-12911?: Medium severity. CVSS v3 base score is 4.3 out of 10.