What is CVE-2026-19138?

CVE-2026-19138 is a high-severity vulnerability in Google Chrome, classified under Heap-based Buffer Overflow. CVSS score: 8.3/10. Published 2026-08-06.

How severe is CVE-2026-19138?

High severity. CVSS v3 base score is 8.3 out of 10.

Buffer overflow in Google Chrome

CVE-2026-19138

Heap buffer overflow in CrashReporting in Google Chrome prior to 151.0.7922.109 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity…

Vulnerability class: Buffer Overflow

CVSS v3 metric

CVSS v3 base score 8.3 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H.

Affected products

Google Chrome — versions 151.0.7922.109

Weakness classification (CWE)

CWE-122 — Heap-based Buffer Overflow

References

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

Frequently asked questions

What is CVE-2026-19138?: CVE-2026-19138 is a high-severity vulnerability in Google Chrome, classified under Heap-based Buffer Overflow. CVSS score: 8.3/10. Published 2026-08-06.
How severe is CVE-2026-19138?: High severity. CVSS v3 base score is 8.3 out of 10.