CVE-2026-85046Google Chromium V8 Type Confusion Vulnerability
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)
Overview
Severity
| Score | Severity | Version | Vector String |
|---|---|---|---|
| 8.8 | HIGH | 3.1CISA-ADP | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
CISA required action
⚡ Known exploited · remediation due Sep 18, 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.
Details
- CVE ID
- CVE-2026-85046
- Status
- Analyzed
- Assigner (CNA)
- Chrome
- Published
- Sep 3, 2026
- Last modified
- 2026-09-21 13:17 UTC
- Weaknesses
- CWE-843 · Type confusion
Affected Products
As published by the CNA in the CVE record.
GoogleChrome1 version range
- 152.0.7977.82 before 152.0.7977.82
References
- chromereleases.googleblog.com https://chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop_01882797386.html
- issues.chromium.org https://issues.chromium.org/issues/542403045
- github.com https://github.com/Serotav/Writeups/blob/77556c57999805fa7815a114da51d91cf24fbea9/v8/When_Sorting_Leads_To_Confusion.md
- github.com https://github.com/v8/v8/commit/e0562d87ad9c17042b581582c99237d798572e67
- news.ycombinator.com https://news.ycombinator.com/item?id=49570669
- serotav.github.io https://serotav.github.io/Writeups/v8/when-sorting-leads-to-confusion/
- cisa.gov https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-85046