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CVE-2025-2783: Google Chromium Mojo Sandbox Escape Vulnerability

criticalknown exploitedpublic exploitCVE-2025-2783
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 on Windows contains a sandbox escape vulnerability caused by a logic error, which results from an incorrect handle being provided in unspecified circumstances. 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
There is a sandbox escape vulnerability caused by a logic error in Google Chromium.
Who is affected
Multiple web browsers utilizing Chromium, including Google Chrome, Microsoft Edge, and Opera are affected.
Urgency
Remediation is urgent due to active exploitation and critical severity.
Action
Update to the latest version of Chromium to mitigate the vulnerability.

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
2025-03-27
Exploitation
Observed in the wild (CISA KEV)

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2025-2783

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-2025-2783coverage & 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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