Use After Free in Google Chrome

CVE-2026-12445

Use after free in Extensions in Google Chrome prior to 149.0.7827.155 allowed an attacker who convinced a user to install a malicious extension to potentially exploit heap corruption via a crafted Chrome Extension. (Chromium security sever…

Vulnerability class: Use-After-Free

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-12445?
CVE-2026-12445 is a high-severity vulnerability in Google Chrome, classified under Use After Free. CVSS score: 7.5/10. Published 2026-06-17.
How severe is CVE-2026-12445?
High severity. CVSS v3 base score is 7.5 out of 10.