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[ CVE-2026-85046 · Published 3 Sep 2026 ]

Google Chromium V8 Type Confusion Vulnerability

Exploited · CISA KEV CVSS 8.8 EPSS 49%1 agency advisoryFix available

[ Why it matters ]Priority signals

  • Exploited in the wild: on CISA's Known Exploited Vulnerabilities list since 2026-09-04
  • EPSS: 49% chance of exploitation in the next 30 days (higher than 99% of CVEs)

[ Description ]Official description

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)

CISA: 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.

[ Fixes ]Fixes and patches

CISA required action (US federal deadline 18 Sep 2026): 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.

[ Advisories ]Government CERT advisories

  • CERT-FRCERTFR-2026-AVI-1326

    Multiple vulnerabilities in Palo Alto Networks products Translated from French

    Multiple vulnerabilities have been discovered in Palo Alto Networks products. Some of them allow an attacker to cause remote arbitrary code execution, privilege escalation and remote denial of service. Palo Alto…

    CVE-2026-87464CVE-2026-87646CVE-2026-87445+458 more CVEs

[ References ]References