8.8High KEV

CVE-2026-85046Google Chromium V8 Type Confusion Vulnerability

Google Chrome Published: (2 months ago)

Known exploited — Google Chromium V8 Type Confusion Vulnerability

CISA confirmed this vulnerability is used in real attacks on 04.09.2026. Remediation deadline for US federal agencies: 18.09.2026.

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. 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

Description

Type confusion in V8 in Google Chrome prior to 152.0.7977.82 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: High)

Weakness (CWE): CWE-843

Data: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Published as the sources state it, in English.

Affected products and versions

VendorProductVersions
Google Chrome 152.0.7977.82 – < 152.0.7977.82
google v8 < 15.3.48

References and patches

CPE matches (NVD) (2)

  • cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:* < 152.0.7977.82
  • cpe:2.3:a:google:v8:*:*:*:*:*:*:*:* < 15.3.48