CVE-2026-85046
high CISA KEVGoogle Chromium V8 Type Confusion Vulnerability
Vendor / product: Google — Chromium V8
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:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Required action (CISA)
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.
Affected products
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
References
- https://chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop_0188279738... chrome-cve-admin@google.com
- https://issues.chromium.org/issues/542403045 chrome-cve-admin@google.com
- https://github.com/Serotav/Writeups/blob/77556c57999805fa7815a114da51d91cf24fbea9/v8/When_... af854a3a-2127-422b-91ae-364da2661108
- https://github.com/v8/v8/commit/e0562d87ad9c17042b581582c99237d798572e67 af854a3a-2127-422b-91ae-364da2661108
- https://news.ycombinator.com/item?id=49570669 af854a3a-2127-422b-91ae-364da2661108
- https://serotav.github.io/Writeups/v8/when-sorting-leads-to-confusion/ af854a3a-2127-422b-91ae-364da2661108
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-85046 134c704f-9b21-4f2e-91b3-4a467353bcc0