What is CVE-2026-15108?

CVE-2026-15108 is a medium-severity vulnerability in Google Chrome, classified under Integer Overflow or Wraparound. CVSS score: 4.3/10. Published 2026-07-08.

How severe is CVE-2026-15108?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Integer overflow in Google Chrome

CVE-2026-15108

Integer overflow in Extensions API in Google Chrome prior to 150.0.7871.115 allowed an attacker who convinced a user to install a malicious extension to perform an out of bounds memory read via a crafted Chrome Extension. (Chromium securit…

Vulnerability class: Integer Overflow

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N.

Affected products

Google Chrome — versions 150.0.7871.115

Weakness classification (CWE)

CWE-190 — Integer Overflow or Wraparound

References

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

Frequently asked questions

What is CVE-2026-15108?: CVE-2026-15108 is a medium-severity vulnerability in Google Chrome, classified under Integer Overflow or Wraparound. CVSS score: 4.3/10. Published 2026-07-08.
How severe is CVE-2026-15108?: Medium severity. CVSS v3 base score is 4.3 out of 10.