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CVE-2026-85046highunder attackCWE-843

CVE-2026-85046

71Vexday Risk Score

Prioritize patching. It under exploitation confirmed by CISA and has a public proof of concept.

ssvc Actcvss 8.8epss 0.9%
from disclosure to weapon1 days
Published on NVDSep 3
1st PoC+1d
CISA KEV+1d
exploitation probability
0.9%top 44% of all CVEs
observed exploitation
yesCISA + VulnCheck
3 public exploit(s)
Action required by CISAfederal deadline: 2026-09-18

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.

In short

A flaw in Chrome's V8 engine allows attackers to confuse data types through a crafted webpage, enabling them to run malicious code within the browser's sandbox. This could compromise your browser security and data.

Technical detail

Type confusion vulnerability in V8 (CWE-843) exploitable via crafted HTML pages, requiring only user interaction (visiting a malicious site). The attack executes arbitrary code within the V8 sandbox, potentially bypassing sandbox isolation and affecting Chrome versions prior to 152.0.7977.82.

Summary generated and translated by AI from the official 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)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Affected products
Google · Chrome
⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.