CVE-2026-85046
HighGoogle Chromium V8 Type Confusion Vulnerability
8.8 CVSS v3.1
- Published
- Sep 3, 2026
- Updated
- Sep 21, 2026
- Vendor
- Affected versions
- See affected products
- Weakness
- CWE-843
Summary
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)
Severity
High (8.8)CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Affected products
- Google Chrome < 152.0.7977.82
- Google V8 < 15.3.48
Exploitation status
Actively exploited
Listed in the CISA Known Exploited Vulnerabilities catalog on Sep 4, 2026. Federal remediation due: Sep 18, 2026.
Technical details
Technical analysis has not been written for this record yet.
Mitigation & remediation
- 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.