CVE-2026-85046: Google Chromium V8 Type Confusion Vulnerability

High severity, CVSS 8.8. Actively exploited: in CISA KEV since 2026-09-04. EPSS: 48.9% chance of exploitation in the next 30 days.

Type confusion in V8 in Google Chrome prior to 152.0.7977.82 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: High)

Affected products

• Google Chrome: before 152.0.7977.82 (fixed in 152.0.7977.82)
• Google v8: before 15.3.48 (fixed in 15.3.48)

Published 2026-09-03. Last modified 2026-09-21.