CVE-2026-91734 is a vulnerability in Google Chrome
Published on September 15, 2026
Incorrect authorization in Core in Google Chrome on on Windows prior to 153.0.8010.47 allowed a local attacker to execute arbitrary code outside the sandbox via a local program. (Chromium security severity: High)
Weakness Type
What is an AuthZ Vulnerability?
The software performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check. This allows attackers to bypass intended access restrictions.
CVE-2026-91734 has been classified to as an AuthZ vulnerability or weakness.
Products Associated with CVE-2026-91734
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Affected Versions
Google Chrome:- Version 153.0.8010.47 and below 153.0.8010.47 is affected.