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CVE-2026-9986

Published: May 28, 2026

Modified: May 29, 2026

PUBLISHED

Description

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)

Vendor	Product	Versions
Google	Chrome	affected `148.0.7778.216 - < 148.0.7778.216`

Weaknesses (CWE)

References

https://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop_0877304591.html

https://issues.chromium.org/issues/513028160

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