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CVE-2020-16009: Google Chromium V8 Type Confusion Vulnerability

criticalknown exploitedCVE-2020-16009
Actively exploited. At least one CVE in this advisory is listed in the CISA Known Exploited Vulnerabilities catalog — exploitation has been observed in the wild. Treat remediation as urgent.
Google Chromium V8 Engine contains a type confusion 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.

CSIRTS triage

vendor: Googleproduct: Chromium V8Remote code execution
What
This vulnerability is a type confusion that allows potential heap corruption via a crafted HTML page.
Who is affected
Users of web browsers utilizing the Chromium V8 engine, including Google Chrome and Microsoft Edge.
Urgency
Remediation is urgent due to active exploitation and critical severity.
Action
Update to the latest version of affected browsers.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source
CISA Known Exploited Vulnerabilities (US · database · site)
Severity
critical
Published
2021-11-03
Exploitation
Observed in the wild (CISA KEV)

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2020-16009

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2020-16009coverage & exploitation statusNVD · CVE.org

Recent advisories for Google Chromium

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

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