Bug 2527178 (CVE-2026-84350)

Summary: CVE-2026-84350 chromium-browser: Chromium TabStrip: Arbitrary code execution through social engineering
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
Status: NEW --- QA Contact:
Severity: high Docs Contact:
Priority: high    
Version: unspecifiedKeywords: Security
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Hardware: All   
OS: Linux   
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A flaw was found in Chromium's TabStrip component. A remote attacker could leverage social engineering techniques and user interface (UI) interaction to trigger a use-after-free vulnerability. This could lead to the execution of arbitrary code outside of the browser's sandbox.
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Bug Depends On: 2531787, 2531788    
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Description OSIDB Bzimport 2026-09-01 23:52:24 UTC
Use after free in TabStrip in Google Chrome prior to 152.0.7977.75 allowed a remote attacker leveraging social engineering to execute arbitrary code outside the sandbox via UI Interaction. (Chromium security severity: Low)