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PatchSiren cyber security CVE debrief

CVE-2024-4947 Google CVE debrief

CVE-2024-4947 is a Google Chromium V8 type confusion vulnerability that CISA added to the Known Exploited Vulnerabilities catalog on 2024-05-20. The available source corpus does not provide deeper technical mechanics, but the KEV entry means defenders should treat it as a confirmed-exploitation issue and follow Google’s mitigation guidance promptly.

Vendor
Google
Product
Chromium V8
CVSS
Unknown
CISA KEV
Listed
Original CVE published
2024-05-20
Original CVE updated
2024-05-20
Advisory published
2024-05-20
Advisory updated
2024-05-20

Who should care

Security teams and administrators responsible for Google Chromium V8 or products that rely on it should prioritize this issue, especially in environments where browser/runtime updates are centrally managed. Organizations that cannot apply mitigations quickly should treat this as a near-term operational risk.

Technical summary

The vulnerability is described as a type confusion flaw in Chromium V8. Beyond the vulnerability class and KEV status, the supplied sources do not provide implementation details, exploit mechanics, impact scope, or CVSS scoring.

Defensive priority

High — CISA KEV inclusion indicates confirmed exploitation and sets a remediation due date of 2024-06-10.

Recommended defensive actions

  • Apply the vendor mitigations referenced by CISA as soon as possible.
  • Use the Google release guidance linked from the KEV entry to confirm the fixed version or mitigation path.
  • If mitigations are unavailable in your environment, discontinue use of the affected product until remediation is possible.
  • Verify asset inventory for any Chromium V8-dependent deployments and prioritize internet-exposed or user-facing systems first.

Evidence notes

CISA’s KEV record identifies the vulnerability as “Google Chromium V8 Type Confusion Vulnerability,” marks it as known exploited, and lists 2024-05-20 as the date added with a remediation due date of 2024-06-10. The KEV notes point to Google’s stable channel update for desktop and to the NVD record. The corpus does not include CVSS metrics or additional technical analysis.

Sources and references

Verified primary and authoritative sources

  • CVE-2024-4947 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2024-4947

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

  • CVE-2024-4947 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2024-4947

    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.