CVE-2026-85046 - Google Chromium V8 Type Confusion Vulnerability (known exploited)
Added to CISA KEV on 2026-09-04. 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.
CRITICAL
CISA KEV
ACTIVELY EXPLOITED
Severity & confidence
Source severitycritical
Platform severitycritical
Confidenceconfirmed
Exploitationactively exploited
CVSS-
Affected
Vendorsmicrosoftgoogle
ProductsChromium V8
Reporting sources (4)
CISA - Known Exploited Vulnerabilities
CISA - Cybersecurity Advisories
NIST NVD - National Vulnerability Database
Microsoft Security Response Center - Update Guide
๐ฏ Why should I care?
- On the CISA Known Exploited Vulnerabilities list.
- Credible sources report active exploitation in the wild.
Timeline & provenance
Published2026-09-04T00:00:00
Last updated2026-10-21T04:59:12
Ingested2026-09-04T17:26:58
FreshnessNEAR-REAL-TIME
Threat typeexploitation
Recommended action
Apply the vendor-supplied patch immediately. Review vendor and CISA guidance for detection and mitigation.
Next steps
- Identify affected systems in your environment.
- Apply the vendor patch or mitigation guidance.
- Review logs for indicators described in the advisory.
- Follow the affected vendor/product to track updates.
Confidence explanation
This object is reported by 4 independent sources.
Source type: gov ยท Original: CISA - Known Exploited Vulnerabilities
