CVE-2026-15769: Insufficient validation of untrusted input in Linux Toolkit Theming in Google Chrome on Linux prior to 150.0.7871.125 allowed a remote attacker who had compromised the renderer pro

highCVSS 8.3CVE-2026-15769

Insufficient validation of untrusted input in Linux Toolkit Theming in Google Chrome on Linux prior to 150.0.7871.125 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: High)

Details

Source: NVD Recent CVEs (US · database · site)
Severity: high — CVSS 8.3
Published: 2026-07-14
Last updated: 2026-07-15
Exploitation: Not in CISA KEV at last sync

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2026-15769

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-2026-157690.23% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 14% of all scored CVEs.

Referenced CVEs

CVE	CSIRTS overview	External
CVE-2026-15769	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
unknownMicrosoft Edge Multiple Vulnerabilitieshkcert
unknownMultiple vulnerabilities in Microsoft Edge (July 20, 2026)cert-fr-avis
unknownGoogle Chrome Multiple Vulnerabilitieshkcert
unknownDSA-6390-1 chromium - security updatedebian
unknownMultiple vulnerabilities in Google Chrome (July 15, 2026)cert-fr-avis
unknownCVE-2026-15769: Chromium: CVE-2026-15769 Insufficient validation of untrusted input in Linux Toolkit Themingmsrc

Recent advisories for Insufficient validation of

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

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criticalCVE-2026-18002: Insufficient validation of untrusted input in Google Lens in Google Chrome prior to 151.0.7922…nvd · 2026-07-30
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