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PatchSiren cyber security CVE debrief

CVE-2025-2783 Google CVE debrief

CVE-2025-2783 is a Google Chromium Mojo sandbox escape vulnerability that CISA added to the Known Exploited Vulnerabilities catalog on 2025-03-27. Because CISA classifies it as known exploited, defenders should treat it as a high-priority browser and Chromium-component issue and follow vendor mitigation guidance promptly. CISA’s due date for remediation is 2025-04-17.

Vendor
Google
Product
Chromium Mojo
CVSS
HIGH 8.3
CISA KEV
Listed
Original CVE published
2025-03-27
Original CVE updated
2025-03-27
Advisory published
2025-03-27
Advisory updated
2025-03-27

Who should care

Security teams, endpoint administrators, and product owners responsible for Google Chrome, Chromium-based browsers, and any software that embeds Chromium components or relies on Chromium Mojo.

Technical summary

The available official records identify CVE-2025-2783 as a Google Chromium Mojo sandbox escape vulnerability. The CISA KEV entry confirms it is known exploited and instructs organizations to apply mitigations per vendor instructions; the KEV record also links to the vendor release note and NVD entry. No CVSS score was supplied in the provided corpus.

Defensive priority

High

Recommended defensive actions

  • Apply the vendor mitigation or update referenced by CISA as soon as possible.
  • Prioritize patching affected Chromium-based browsers and any products that embed Chromium components.
  • If a mitigated or updated version is not available, follow CISA guidance and consider discontinuing use of the affected product until remediation is possible.
  • Track the CISA KEV due date of 2025-04-17 and confirm remediation across endpoints.
  • Validate fleet exposure by inventorying browser versions and Chromium-embedded applications.

Evidence notes

CISA’s Known Exploited Vulnerabilities catalog lists CVE-2025-2783 as a Google Chromium Mojo sandbox escape vulnerability with dateAdded 2025-03-27 and dueDate 2025-04-17. The provided source metadata also points to the Chrome release update and the NVD record. No CVSS score was included in the supplied data, so severity should be treated as KEV-driven rather than score-driven.

Sources and references

Verified primary and authoritative sources

  • CVE-2025-2783 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2025-2783

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2025-2783 NVD vulnerability detail

    Publisher, destination, and source semantics verified

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

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

  • CISA Known Exploited Vulnerabilities catalog

    Publisher, destination, and source semantics verified

    URL: https://www.cisa.gov/known-exploited-vulnerabilities-catalog

    Cybersecurity and Infrastructure Security Agency - Official CISA catalog of vulnerabilities known to be exploited in the wild.

Supplemental references

  • Source item URL

    Unverified legacy reference

    URL: https://www.cisa.gov/sites/default/files/feeds/known_exploited_vulnerabilities.json

    cisa_kev

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.