Google Chrome — CVE-2026-87544 (Critical)

Date Sep 9, 2026

Type Vendor advisory

Signal Critical vendor advisory

Vendor / Product Google · Chrome

CVE CVE-2026-87544

Critical vendor advisory CVE-2026-87544

Summary

Incorrect authorization in Extensions in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to bypass system access restrictions into a privileged page via a crafted HTML page. (Chromium security severity: Low)

Why it matters

This CVE carries a CRITICAL severity rating (CVSS 9.8) in Google Chrome. Patch or mitigate promptly. EPSS percentile: 6%.

Operator check

Review CVE-2026-87544 in your asset inventory. Apply patches per vendor guidance and verify Chrome is not exposed. CVSS score: 9.8. EPSS probability: 0.2%; percentile: 6%.

Sources

NVD — CVE-2026-87544 Source reference Source reference

PatchBrief uses public sources. It does not scan environments, verify exposure, or replace vendor guidance.

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