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CVE-2021-37973
CRITICAL - CVSS 9.6CWE-416
Published: 10/8/2021
Modified: 10/24/2025
Use after free in Portals in Google Chrome prior to 94.0.4606.61 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page.
Vulnerability Summary
CVSS v3 Score
9.6CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
CVSS v2 Score
6.8
AV:N/AC:M/Au:N/C:P/I:P/A:P