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CVE-2026-13864: Insufficient policy enforcement in WebHID in Google Chrome prior to 150.0.7871.47 allowed an attacker who convinced a user to install a malicious extension to perform privilege esc

highCVSS 8.1CVE-2026-13864
Insufficient policy enforcement in WebHID in Google Chrome prior to 150.0.7871.47 allowed an attacker who convinced a user to install a malicious extension to perform privilege escalation via a crafted Chrome Extension. (Chromium security severity: Medium)

Details

Source
NVD Recent CVEs (US · database · site)
Severity
high — CVSS 8.1
Published
2026-06-30
Last updated
2026-07-02
Exploitation
Not in CISA KEV at last sync

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2026-13864

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.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2026-13864coverage & exploitation statusNVD · CVE.org

Same CVEs, other sources

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

Recent advisories for Insufficient policy enforcement

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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