CVE-2026-84351: Buffer overflow in Google Chrome
Description
A buffer overflow vulnerability exists in the GPU component of Google Chrome on Windows versions prior to 152.0.7977.75. This flaw allows a remote attacker who has already compromised the renderer process to execute arbitrary code outside the sandbox by using a specially crafted HTML page. The vulnerability has a high severity rating and is identified as CWE-121 (stack-based buffer overflow).
CVSS v3.1
Score 8.3high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-84351 is a high-severity buffer overflow vulnerability in the GPU component of Google Chrome on Windows platforms before version 152.0.7977.75. An attacker with control over the renderer process can exploit this flaw via a crafted HTML page to execute arbitrary code outside the sandbox environment. The vulnerability is tracked under CWE-121 and has a CVSS 3.1 base score of 8.3, indicating significant impact on confidentiality, integrity, and availability.
Potential Impact
Successful exploitation allows remote code execution outside the sandbox, potentially leading to full compromise of the affected system. The attacker must have already compromised the renderer process to leverage this vulnerability. The impact includes complete control over the affected system's GPU process and potentially the host OS.
Mitigation Recommendations
Users should update Google Chrome to version 152.0.7977.75 or later, where this vulnerability is fixed. Since the affected version is explicitly stated, applying this update fully mitigates the risk. No additional vendor advisory content is provided, but the presence of a fixed version indicates an official fix is available.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-qx4r-xfh5-f7gw
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-84351"]
- Database Specific Severity
- HIGH
- Cvss Version
- 3.1
Threat ID: 6a98452facd9273b496aa846
Added to database: 09/02/2026, 15:47:59 UTC
Last enriched: 09/07/2026, 20:52:16 UTC
Last updated: 10/16/2026, 18:48:25 UTC
Views: 58
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