CVE Watch—

CVE-2021-4102

Google Chromium V8 Use-After-Free Vulnerability

CVSS

—

No CVSS

EPSS

7.8%

p94

KEV

YES

Dec 15, 2021

Exploit Today

0-100

Published: — · Last modified: —

EPSS · 30d

7.8%EPSS · 30 days7.8%

2026-06-302026-07-16

KEV catalog record

Product

Google / Chromium V8

Vulnerability

Google Chromium V8 Use-After-Free Vulnerability

Added to KEV

Dec 15, 2021

Remediate by

Dec 29, 2021

Known ransomware use

Summary description

Google Chromium V8 Engine contains a use-after-free vulnerability that allows a remote attacker to potentially exploit heap corruption via a crafted HTML page. This vulnerability could affect multiple web browsers that utilize Chromium, including, but not limited to, Google Chrome, Microsoft Edge, and Opera.

Required action

Apply updates per vendor instructions.

Notes

https://nvd.nist.gov/vuln/detail/CVE-2021-4102

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