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CVE-2022-3075: Google Chromium Mojo Insufficient Data Validation Vulnerability

criticalknown exploitedCVE-2022-3075
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 Mojo contains an insufficient data validation vulnerability that allows a remote attacker, who has compromised the renderer process, to potentially perform a sandbox escape 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: ChromiumOther
What
Google Chromium Mojo contains an insufficient data validation vulnerability that may allow a remote attacker to perform a sandbox escape.
Who is affected
Users of web browsers utilizing Chromium, including Google Chrome, Microsoft Edge, and Opera.
Urgency
Remediation is urgent due to active exploitation and critical severity.
Action
Update web browsers based on Chromium to the latest version.

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
2022-09-08
Exploitation
Observed in the wild (CISA KEV)

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2022-3075

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-2022-3075coverage & exploitation statusNVD · CVE.org

Recent advisories for Google Chromium Mojo

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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