v8 vulnerabilities and fixes

Recent CVEs affecting v8, with upgrade or downgrade steps. 1 tracked.

v8 has 1 tracked vulnerability, 0 critical and 1 exploited in the wild (CISA KEV). A fixed release or vendor patch exists for 1. Most recent: 2026-09-03. Highest priority: CVE-2026-85046 (score 86/100).

• CVE-2026-85046 HIGH 8.8 EXPLOITED UPGRADE UPGRADE Google Chromium V8 Type Confusion Vulnerability

FAQ

How do I fix v8 vulnerabilities?

Open the CVE for your version, check the affected range, then follow the listed action: upgrade to the fixed release, or downgrade or mitigate if no fix exists yet. Commands for each OS are shown on every CVE page.

Is v8 being exploited right now?

Yes: 1 v8 CVE is on the CISA Known Exploited Vulnerabilities list, so patch it first.

Which v8 CVE should I patch first?

CVE-2026-85046 currently ranks highest (86/100): Google Chromium V8 Type Confusion Vulnerability.

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