CVSS v3
9.6
CRITICAL
EPSS Score
12.6%
exploit probability
CISA KEV
Yes
known exploited
Exploitation
—
SSVC status
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.
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.
Yes. CVE-2021-37973 is on the CISA Known Exploited Vulnerabilities (KEV) catalog, meaning it has been confirmed as actively exploited in the wild. CISA requires federal agencies to patch by 11/17/2021.
CVE-2021-37973 has a CVSS v3 base score of 9.6 (CRITICAL severity).
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Ranked by exploit probability (EPSS).