Bug 2530385 (CVE-2026-87502)

Summary: CVE-2026-87502 chromium-browser: Google Chrome: UI spoofing vulnerability in Fullscreen mode
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
Status: NEW --- QA Contact:
Severity: low Docs Contact:
Priority: low    
Version: unspecifiedKeywords: Security
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OS: Linux   
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A flaw was found in Google Chrome. This confused deputy vulnerability in the Fullscreen feature allows a remote attacker, who has compromised the renderer process and leveraged social engineering, to spoof user interface (UI) elements. This can be achieved by presenting a specially crafted HTML page, potentially misleading users into performing unintended actions.
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Description OSIDB Bzimport 2026-09-09 01:11:03 UTC
Confused deputy in Fullscreen in Google Chrome prior to 153.0.8010.36 allowed a remote attacker who had compromised the renderer process and leveraged social engineering to spoof UI elements via a crafted HTML page. (Chromium security severity: Low)