CVE-2025-13223

Type Confusion in Google Chromium V8. CISA confirmed attackers exploit it and added it to its Known Exploited Vulnerabilities catalog on 19 November 2025.

Product
Google Chromium V8
Added to CISA's catalog
Federal fix-by date
Ransomware
No known use in ransomware campaigns

CISA’s description.

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

Every flaw CISA confirmed exploited in the last 30 days is on the exploit watch. This is not security advice. Check the vendor’s advisory before acting. From CISA’s catalog of 3 November 2026.