What is CVE-2026-12026?

CVE-2026-12026 is a medium-severity vulnerability in Google Chrome, classified under Out-of-bounds Read. CVSS score: 6.5/10. Published 2026-06-11.

How severe is CVE-2026-12026?

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

Out-of-bounds Read in Google Chrome

CVE-2026-12026

Out of bounds read in Video in Google Chrome on ChromeOS prior to 149.0.7827.115 allowed a remote attacker who had compromised the renderer process to obtain potentially sensitive information from process memory via a crafted HTML page. (C…

Vulnerability class: Buffer Overflow

EPSS: 0.002 (14.8th 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:H/I:N/A:N.

Affected products

Google Chrome — versions 149.0.7827.115
Google Chrome_os

Weakness classification (CWE)

CWE-125 — Out-of-bounds Read

References

chrome-cve-admin@google.com (Vendor Advisory)
chrome-cve-admin@google.com (Permissions Required, Issue Tracking)

Frequently asked questions

What is CVE-2026-12026?: CVE-2026-12026 is a medium-severity vulnerability in Google Chrome, classified under Out-of-bounds Read. CVSS score: 6.5/10. Published 2026-06-11.
How severe is CVE-2026-12026?: Medium severity. CVSS v3 base score is 6.5 out of 10.