Missing Auth in Chrome Core <153.0.8010.36 Bypass Site Isolation
CVE-2026-87543 Published on September 9, 2026
Missing authorization in Core in Google Chrome prior to 153.0.8010.36 allowed a remote attacker who had compromised the renderer process to bypass site isolation via a crafted HTML page. (Chromium security severity: Low)
Vulnerability Analysis
CVE-2026-87543 can be exploited with network access, requires user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality, with no impact on integrity, and no impact on availability.
Weakness Type
What is an AuthZ Vulnerability?
The software does not perform an authorization check when an actor attempts to access a resource or perform an action.
CVE-2026-87543 has been classified to as an AuthZ vulnerability or weakness.
Products Associated with CVE-2026-87543
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Affected Versions
Google Chrome:- Version 153.0.8010.36 and below 153.0.8010.36 is affected.