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CVE-2020-16017: Google Chrome Use-After-Free Vulnerability

criticalknown exploitedCVE-2020-16017
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 Chrome contains a use-after-free vulnerability that allows a remote attacker, who has compromised the renderer process, to potentially perform a sandbox escape via a crafted HTML page.

CSIRTS triage

vendor: Googleproduct: ChromeOther
What
The vulnerability allows a remote attacker to potentially perform a sandbox escape via a crafted HTML page.
Who is affected
Deployments of Google Chrome are affected.
Urgency
Remediation is urgent due to active exploitation and critical severity.
Action
Update to the latest version of Google Chrome.

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-2020-16017

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-2020-16017coverage & exploitation statusNVD · CVE.org

Recent advisories for Google Chrome Use-After-Free

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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