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Google Chromium Mojo: Chromium Mojo Sandbox Escape Vulnerability

Google Chromium Mojo

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. Added to CISA KEV on 2025-03-27.

Why this severity: CVSS 8.3 (CISA ADP, v3.1); actively exploited (CISA KEV)

Started: Mar 27, 2025
Closed: Mar 27, 2025
CVE: CVE-2025-2783

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Updated Mar 27, 2025

Affected

See vendor advisory / CISA notes (versions not always listed in KEV feed)

Fixed in

See vendor advisory linked in sources

Timeline1

Mar 27, 2025
CISA added CVE-2025-2783 to the KEV catalog (due 2025-04-17).

Advisories3

Notes & caveats

Derived from CISA KEV JSON feed catalogVersion 2026.10.21. CVSS from the CVE record (cvelistV5). Exact affected/fixed version strings are not always in the KEV record; verify against the vendor advisory URL. startedAt uses dateAdded (exploitation may have begun earlier; many entries are older CVEs newly confirmed as exploited in 2025).

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