CVE-2026-85046
Google Chromium V8 Type Confusion Vulnerability
Why this priority
?
Generic watch priority computed by public, versioned rules. It does not know your assets. See the glossary
- Présent dans le catalogue CISA KEV (exploitation confirmée)
Description
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.
Affected products
| Vendor | Product | Versions |
|---|---|---|
| Chrome |
| |
| Chromium V8 | All versions |
Revision history
Revision 2
Update : Affected versions changed
Revision 1
New record
Qualification
- CVSS severity
?
Technical severity score between 0 and 10, with its version (3.1, 4.0). See the glossary
- 8.8 HIGH CVSS v3.1CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- KEV catalog
?
CISA catalog of vulnerabilities with confirmed exploitation. Absence from the catalog does not prove absence of exploitation. See the glossary
- Listed
- Exploitation
- Confirmed
- EPSS probability
?
Probability, between 0 and 1, that a vulnerability is exploited in the next 30 days, published daily by FIRST. Always dated. See the glossary
- Unknown
- Confidence
?
Quality of the sources behind the record. It is not a risk score. See the glossary
- High
Priority rules, version 1
CISA KEV catalog
- Added on
- 4 September 2026
- Federal due date
- 18 September 2026
- 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.
- Ransomware use
- Unknown
Record
- Published on
- 3 September 2026
- Weaknesses (CWE)
- CWE-843
Sources
- Source : CISA Known Exploited Vulnerabilities Catalog Terms of use
- Source : CVE Program, cve.org Terms of use