CVE-2026-76034: Buffer overflow in Google Chrome
A critical buffer overflow vulnerability exists in the WebGL component of Google Chrome versions prior to 151.0.7922.169. This flaw allows a remote attacker to execute arbitrary code outside the browser sandbox by delivering a specially crafted HTML page. The vulnerability has a high CVSS score of 8.8, indicating significant potential impact on confidentiality, integrity, and availability.
AI Analysis
Technical Summary
CVE-2026-76034 is a buffer overflow vulnerability in the WebGL implementation of Google Chrome before version 151.0.7922.169. Exploitation requires a user to visit a maliciously crafted HTML page, which can trigger arbitrary code execution outside the sandbox environment. This vulnerability is rated critical by Chromium security and has a CVSS 3.1 base score of 8.8, reflecting its network attack vector, low attack complexity, no privileges required, user interaction needed, and high impact on confidentiality, integrity, and availability. The official Google Chrome stable channel update addresses this issue as per the vendor advisory.
Potential Impact
Successful exploitation of this vulnerability can lead to arbitrary code execution outside the sandbox, potentially compromising the affected system's security, including full control over the victim's environment. This impacts confidentiality, integrity, and availability of the system running the vulnerable Chrome version.
Mitigation Recommendations
Google has released an official fix for this vulnerability in Chrome version 151.0.7922.169. Users and administrators should update their Chrome browsers to this version or later to mitigate the risk. No additional mitigation steps are required beyond applying the official update.
CVE-2026-76034: Buffer overflow in Google Chrome
Description
A critical buffer overflow vulnerability exists in the WebGL component of Google Chrome versions prior to 151.0.7922.169. This flaw allows a remote attacker to execute arbitrary code outside the browser sandbox by delivering a specially crafted HTML page. The vulnerability has a high CVSS score of 8.8, indicating significant potential impact on confidentiality, integrity, and availability.
CVSS v3.1
Score 8.8high
Affected software
Chrome
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AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-76034 is a buffer overflow vulnerability in the WebGL implementation of Google Chrome before version 151.0.7922.169. Exploitation requires a user to visit a maliciously crafted HTML page, which can trigger arbitrary code execution outside the sandbox environment. This vulnerability is rated critical by Chromium security and has a CVSS 3.1 base score of 8.8, reflecting its network attack vector, low attack complexity, no privileges required, user interaction needed, and high impact on confidentiality, integrity, and availability. The official Google Chrome stable channel update addresses this issue as per the vendor advisory.
Potential Impact
Successful exploitation of this vulnerability can lead to arbitrary code execution outside the sandbox, potentially compromising the affected system's security, including full control over the victim's environment. This impacts confidentiality, integrity, and availability of the system running the vulnerable Chrome version.
Mitigation Recommendations
Google has released an official fix for this vulnerability in Chrome version 151.0.7922.169. Users and administrators should update their Chrome browsers to this version or later to mitigate the risk. No additional mitigation steps are required beyond applying the official update.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Chrome
- Date Reserved
- 2026-08-18T19:44:48.132Z
- State
- PUBLISHED
- Vendor Advisory Urls
- [{"url":"https://chromereleases.googleblog.com/2026/08/stable-channel-update-for-desktop_0826575033.html","vendor":"Google"}]
Threat ID: 6a84c574c6e8be0332bb23ec
Added to database: 08/18/2026, 20:49:56 UTC
Last enriched: 09/11/2026, 20:48:38 UTC
Last updated: 10/02/2026, 05:00:31 UTC
Views: 137
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