CVE-2026-85046: Chromium: CVE-2026-85046 Type confusion in V8
Actively exploited. At least one CVE in this advisory is listed in the CISA Known Exploited Vulnerabilities catalog — exploitation has been observed in the wild. Treat remediation as urgent.
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.
Details
Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-85046
Exploitation outlook
EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.
- Exploitation confirmedCVE-2026-85046Already exploited in the wild (CISA KEV) — the prediction phase is over. Patch now. Riskier than 71% of all EPSS-scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-85046 | coverage & exploitation status | NVD · CVE.org |
Same CVEs, other sources
How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.
- highexploited[UPDATE] [hoch] Google Chrome / Microsoft Edge: Mehrere Schwachstellencert-bund
- unknownexploitedDSA-6484-1 chromium - security updatedebian
- unknownexploitedGoogle security advisory (AV26-883) – Update 1cccs
- unknownexploitedNCSC-2026-0341 [1.00] [M/H] Kwetsbaarheden verholpen in Google Chromencsc-nl
- highexploitedCISA Adds One Known Exploited Vulnerability to Catalogcisa
- unknownexploitedGoogle Chrome Multiple Vulnerabilitieshkcert
- criticalexploitedCVE-2026-85046: Google Chromium V8 Type Confusion Vulnerabilitycisa-kev
- unknownexploitedMultiples vulnérabilités dans Google Chrome (04 septembre 2026)cert-fr-avis
- highexploitedCVE-2026-85046: Type confusion in V8 in Google Chrome prior to 152.0.7977.82 allowed a remote attacker to exec…nvd
Recent advisories for Chromium
A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.
- highPAN-SA-2026-0012 Chromium: Monthly Vulnerability Update (September 2026) (Severity: HIGH)paloalto · 2026-09-09
- unknownCVE-2026-87656: Improper state validation in Safebrowsing in Google Chrome prior to 153.0.8010.36 allowed a re…nvd · 2026-09-09
- mediumCVE-2026-87655: Clickjacking in Downloads in Google Chrome prior to 153.0.8010.36 allowed a remote attacker le…nvd · 2026-09-09
- mediumCVE-2026-87653: UI misrepresentation in FullScreen in Google Chrome on on Windows prior to 153.0.8010.36 allow…nvd · 2026-09-09
- mediumCVE-2026-87651: Incorrect authorization in Paint in Google Chrome prior to 153.0.8010.36 allowed a remote atta…nvd · 2026-09-09
- unknownCVE-2026-87645: Improper state validation in Safebrowsing in Google Chrome prior to 153.0.8010.36 allowed a re…nvd · 2026-09-09
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