Use After Free in Google Chrome

CVE-2026-12449

Use after free in Chromoting in Google Chrome on Windows prior to 149.0.7827.155 allowed a local attacker to perform OS-level privilege escalation via a malicious file. (Chromium security severity: High)

Vulnerability class: Use-After-Free

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-12449?
CVE-2026-12449 is a high-severity vulnerability in Google Chrome, classified under Use After Free. CVSS score: 7.8/10. Published 2026-06-17.
How severe is CVE-2026-12449?
High severity. CVSS v3 base score is 7.8 out of 10.