Buffer overflow in Google Chrome
CVE-2026-13976
Insufficient data validation in Storage in Google Chrome prior to 150.0.7871.47 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: Medium)
Vulnerability class: Buffer Overflow
EPSS: 0.002 (7.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.8 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:L.
Affected products
- Google Chrome — versions 150.0.7871.47
Weakness classification (CWE)
References
- chrome-cve-admin@google.com (Release Notes, Vendor Advisory)
- chrome-cve-admin@google.com (Permissions Required)
Frequently asked questions
- What is CVE-2026-13976?
- CVE-2026-13976 is a medium-severity vulnerability in Google Chrome, classified under Heap-based Buffer Overflow. CVSS score: 5.8/10. Published 2026-06-30.
- How severe is CVE-2026-13976?
- Medium severity. CVSS v3 base score is 5.8 out of 10.