CVE-2025-13223

criticalknown exploitedcovered by 1 sourcefirst seen 2025-11-19

Actively exploited. CVE-2025-13223 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2025-11-19) — exploitation has been observed in the wild, and US federal agencies are required to remediate it under BOD 22-01. Treat patching as urgent.

Google Chromium V8 contains a type confusion vulnerability that allows for heap corruption.

CSIRTS triage

What: A type confusion vulnerability exists that allows for heap corruption.
Who is affected: Users of Google Chromium V8 are affected.
Urgency: Immediate remediation is necessary as the vulnerability is critical and actively exploited.
Action: Update to the latest version of Chromium V8.

AI-assisted analysis generated from the source advisory — verify against the original.

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Exploitation outlook

Exploitation confirmedAlready exploited in the wild (CISA KEV) — the prediction phase is over. Patch now. Riskier than 91% of all EPSS-scored CVEs.

Advisory coverage (1)

criticalexploitedCVE-2025-13223: Google Chromium V8 Type Confusion Vulnerabilitycisa-kev · 2025-11-19

External references

NVD record for CVE-2025-13223

CVE.org record

CISA KEV catalog

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