CVE-2026-85046

HIGH8.8

CISA KEV

Published 2026-09-03 · Updated 2026-09-21 · Source chrome-cve-admin@google.com

Summary

CVE-2026-85046 is a high-severity (CVSS 8.8) vulnerability in Google Chromium V8. CISA added it to the Known Exploited Vulnerabilities catalog on September 4, 2026, which means exploitation in the wild has been confirmed; US federal agencies had to remediate it by September 18, 2026. CISA does not currently list it as used in ransomware campaigns. Google has 75 vulnerabilities in the KEV catalog, 0 of them linked to ransomware.

All 75 known-exploited Google vulnerabilities →

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)

CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CWE-843

CISA Known-Exploited Vulnerability

Product: Google — Chromium V8

Name: Google Chromium V8 Type Confusion Vulnerability

Date added: 2026-09-04 · Due: 2026-09-18

Required action: 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.

References

View on NVD

More exploited Google vulnerabilities

Most recently added to CISA KEV

CVE-2026-58704
Pixel — Google Pixel Improper Authorization Vulnerability
added 2026-09-16
CVE-2026-87491
Chromium V8 — Google Chromium V8 Out of Bounds Write Vulnerability
added 2026-09-09
CVE-2026-11645
Chromium V8 — Google Chromium V8 Out-of-Bounds Read and Write Vulnerability
added 2026-06-09
CVE-2026-5281
Dawn — Google Dawn Use-After-Free Vulnerability
added 2026-04-01
CVE-2026-3910
Chromium V8 — Google Chromium V8 Improper Restriction of Operations Within the Bounds of a Memory Buffer Vulnerability
added 2026-03-13
CVE-2026-3909
Skia — Google Skia Out-of-Bounds Write Vulnerability
added 2026-03-13

View all →

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