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

Required action (CISA's text)

Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.

Description (NVD)

Google Chromium V8 contains a type confusion vulnerability that allows a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. This vulnerability could affect multiple web browsers that utilize Chromium, including, but not limited to, Google Chrome, Microsoft Edge, and Opera.

SOURCES

• CISA KEVCISA Known Exploited Vulnerabilities catalog

Other Google flaws

• CVE-2026-125350: Google Chromium Use-After-Free Vulnerability
• CVE-2026-111497: Google Brotli Unchecked Return Value Vulnerability
• CVE-2026-58704: Google Pixel Improper Authorization Vulnerability
• CVE-2026-87491: Google Chromium V8 Out of Bounds Write Vulnerability
• CVE-2026-11645: Google Chromium V8 Out-of-Bounds Read and Write Vulnerability

Data from NVD, CISA KEV, FIRST EPSS and vendor advisories. Updated 10 Nov 2026.