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 me

mediumCVSS 4.3CVE-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 security severity: High)

Details

Source: NVD Recent CVEs (US · database · site)
Severity: medium — CVSS 4.3
Published: 2026-07-08
Last updated: 2026-07-09
Exploitation: Not in CISA KEV at last sync

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2026-15108

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Low exploitation riskCVE-2026-151080.13% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 3% of all scored CVEs.

Referenced CVEs

CVE	CSIRTS overview	External
CVE-2026-15108	coverage & exploitation status	NVD · CVE.org

Same CVEs, other sources

How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.

high[NEW] [high] Google Chrome: Multiple vulnerabilitiescert-bund
unknownGoogle Chrome Multiple Vulnerabilitieshkcert
unknownMultiple vulnerabilities in Google Chrome (July 09, 2026)cert-fr-avis

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