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KEV Entry

CVE-2026-85046

Known Exploited Vulnerability Entry CISA

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Entry Details
Confirmed Exploited

CVE-2026-85046

2026-09-04 00:00 UTC

Timestamps

2026-09-04

2026-09-04

Scope

Google Chromium V8 Type Confusion Vulnerability | Affected: Google / Chromium V8 | 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. | 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. | Due date: 2026-09-18 | Known ransomware campaign use (KEV): Unknown | Notes (KEV): https://chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop_01882797386.html ; BOD 26-04: https://www.cisa.gov/news-events/directives/bod-26-04-prioritizing-security-updates-based-risk ; Forensics Triage Requirements: https://www.cisa.gov/news-events/directives/bod-26-04-implementation-guidance-prioritizing-security-updates-based-risk ; https://nvd.nist.gov/vuln/detail/CVE-2026-85046

References
  • {'id': 'CVE-2026-85046', 'url': 'https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2026-85046'}

875714cf-c306-4a84-b6fd-e7e1de0af9f4

CISA
405284c2-e461-4670-8979-7fd2c9755a60

2026-09-04 18:00 UTC

2026-09-04 18:00 UTC

Evidence
1
Type Source Signal Confidence Details GCVE Metadata
vendor_report cisa-kev successful_exploitation 0.80
View details 
{
  "cwes": [
    "CWE-843"
  ],
  "date_added": "2026-09-04",
  "due_date": "2026-09-18",
  "feed": "CISA Known Exploited Vulnerabilities Catalog",
  "knownRansomwareCampaignUse": "Unknown",
  "product": "Chromium V8",
  "vendorProject": "Google",
  "vulnerabilityName": "Google Chromium V8 Type Confusion Vulnerability"
}
 -
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