Chromium: CVE-2026-85046 Type confusion in V8
Added 4 Sep 2026 · federal remediation due 18 Sep 2026.
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.
Assessment
This CVE was assigned by Chrome. Microsoft Edge (Chromium-based) ingests Chromium, which addresses this vulnerability. Please see Google Chrome Releases for more information. Google is aware that an exploit for CVE-2026-85046 exists in the wild.
- Severity
- Unrated
- CVSS base score
- Not published
- Impact
- Not stated
- EPSS, next 30 days
- Not scored yet
- Public exploit code
- No Nuclei template lists it
- Exploitability
- Not assessed
- Publicly disclosed
- No
- Customer action
- Required: apply the update
- Component
- Microsoft Edge (Chromium-based)
- Weakness
- —
- Issued by
- Chrome
- Published
- 9 Sep 2026 · September 2026
- Last revised
- 9 Sep 2026
Updates that fix it
0 KBsNo KB listed
MSRC lists no downloadable update, which usually means a service-side fix or a release-notes update. Check the MSRC advisory.