CVE-2026-9986

published 2026-05-28

CVE-2026-9986: Insufficient validation of untrusted input in OptimizationGuide in Google Chrome prior to 148.0.7778.216 allowed a remote attacker who had compromised the…

medium 4.2 CVSS 3.1

AV N AC H PR N UI R S U C L I N A L

Insufficient validation of untrusted input in OptimizationGuide in Google Chrome prior to 148.0.7778.216 allowed a remote attacker who had compromised the renderer process to perform UI spoofing via a crafted HTML page. (Chromium security severity: High)

Affected

4 ranges

Vendor	Product	Version range	Fixed in
google	chrome	< 148.0.7778.216	148.0.7778.216
google	chrome	< 148.0.7778.215	148.0.7778.215
google	chrome	>= 148.0.7778.216 < 148.0.7778.216	148.0.7778.216
google	chrome_desktop	—	—

CWE-20 CWE-1289