What is CVE-2026-10997?

CVE-2026-10997 is a medium-severity vulnerability in Google Chrome, classified under Incorrect Permission Assignment for Critical Resource. CVSS score: 6.5/10. Published 2026-06-04.

How severe is CVE-2026-10997?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Vulnerability in Google Chrome

CVE-2026-10997

Insufficient policy enforcement in Extensions in Google Chrome prior to 149.0.7827.53 allowed an attacker who convinced a user to install a malicious extension to bypass discretionary access control via a crafted Chrome Extension. (Chromiu…

EPSS: 0.002 (15.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N.

Affected products

Google Chrome — versions 149.0.7827.53

Weakness classification (CWE)

CWE-732 — Incorrect Permission Assignment for Critical Resource

References

chrome-cve-admin@google.com (Release Notes)
chrome-cve-admin@google.com (Permissions Required)

Frequently asked questions

What is CVE-2026-10997?: CVE-2026-10997 is a medium-severity vulnerability in Google Chrome, classified under Incorrect Permission Assignment for Critical Resource. CVSS score: 6.5/10. Published 2026-06-04.
How severe is CVE-2026-10997?: Medium severity. CVSS v3 base score is 6.5 out of 10.