Description
Type confusion in V8 in Google Chrome prior to 154.0.8037.57 allowed a remote attacker leveraging social engineering to potentially execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: Low)
Published: 2026-09-29
Score: 8.8 High
EPSS: < 1% Very Low
KEV: No
Impact: remote code execution inside Chrome's sandbox
Action: Immediate Patch
AI Analysis

Impact

The vulnerability is a type confusion flaw in the V8 JavaScript engine that allows an attacker to execute arbitrary code within the Chrome sandbox. The impact is the potential compromise of the user’s local execution environment, enabling the attacker to run native code. According to the description, the flaw requires a social‑engineering scenario, typically involving a crafted HTML page that an unsuspecting user must open or interact with.

Affected Systems

All users running Google Chrome versions prior to 154.0.8037.57 are affected. The flaw exists only in the stable channel of Chrome and is present in versions released before the specified update.

Risk and Exploitability

The CVSS score of 8.8 indicates high severity, yet the EPSS score is not available, implying no recent data on real‑world exploitation. The vulnerability is not listed in the CISA KEV catalog. Attackers would need to lure users to a malicious webpage or trick them into opening a crafted file, so a remote exploitation path depends on social engineering. Even though execution is confined to the sandbox, the threat of privilege escalation or further compromise remains significant.

Generated by OpenCVE AI on September 29, 2026 at 22:46 UTC.

Remediation

No solution or workaround provided in the CVE record.

OpenCVE Recommended Actions

  • Upgrade Google Chrome to the latest stable release (>=154.0.8037.57).
  • Enable Chrome’s strict site isolation and sandbox enforcement options to limit the impact of any accidental exploitation.
  • Educate users on phishing and social engineering tactics to reduce the likelihood of them visiting malicious web pages.

Generated by OpenCVE AI on September 29, 2026 at 22:46 UTC.

Tracking

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Advisories
Source ID Title
Debian DSA Debian DSA DSA-6513-1 chromium security update
History

Fri, 02 Oct 2026 15:30:00 +0000

Type Values Removed Values Added
CPEs cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*

Wed, 30 Sep 2026 12:15:00 +0000

Type Values Removed Values Added
Title Remote Code Execution via Type Confusion in Chrome's V8 Engine chromium-browser: chromium: type confusion in V8
References
Metrics threat_severity

None

threat_severity

Important


Tue, 29 Sep 2026 23:15:00 +0000

Type Values Removed Values Added
Title Remote Code Execution via Type Confusion in Chrome's V8 Engine

Tue, 29 Sep 2026 20:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Tue, 29 Sep 2026 20:00:00 +0000

Type Values Removed Values Added
First Time appeared Google
Google chrome
Vendors & Products Google
Google chrome

Tue, 29 Sep 2026 19:30:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H'}


Tue, 29 Sep 2026 17:45:00 +0000

Type Values Removed Values Added
Description Type confusion in V8 in Google Chrome prior to 154.0.8037.57 allowed a remote attacker leveraging social engineering to potentially execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: Low)
Weaknesses CWE-843
References

cve-icon MITRE

Status: PUBLISHED

Assigner: Chrome

Published:

Updated: 2026-09-30T03:56:40.966Z

Reserved: 2026-09-22T05:17:30.147Z

Link: CVE-2026-95380

cve-icon Vulnrichment

Updated: 2026-09-29T18:51:57.821Z

cve-icon NVD

Status : Analyzed

Published: 2026-09-29T18:17:31.750

Modified: 2026-10-02T15:13:11.240

Link: CVE-2026-95380

cve-icon Redhat

Severity : Important

Publid Date: 2026-09-29T17:31:59Z

Links: CVE-2026-95380 - Bugzilla

cve-icon OpenCVE Enrichment

Updated: 2026-09-29T23:00:18Z

Weaknesses
  • CWE-843

    Access of Resource Using Incompatible Type ('Type Confusion')