CVSS v3
8.8
HIGH
EPSS Score
24.9%
exploit probability
CISA KEV
Yes
known exploited
Exploitation
—
SSVC status
Heap buffer overflow in V8 in Google Chrome prior to 88.0.4324.150 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.
Heap buffer overflow in V8 in Google Chrome prior to 88.0.4324.150 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.
Yes. CVE-2021-21148 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-2021-21148 has a CVSS v3 base score of 8.8 (HIGH severity).
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Ranked by exploit probability (EPSS).