CVE-2026-91721 is a vulnerability in Google Chrome
Published on September 15, 2026
Use after free in Internals in Google Chrome prior to 153.0.8010.47 allowed a remote attacker to potentially execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: Critical)
Weakness Type
What is a Dangling pointer Vulnerability?
Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code.
CVE-2026-91721 has been classified to as a Dangling pointer vulnerability or weakness.
Products Associated with CVE-2026-91721
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Affected Versions
Google Chrome:- Version 153.0.8010.47 and below 153.0.8010.47 is affected.