CVE-2026-78948: Buffer overflow in Google Chrome
Description
A buffer overflow vulnerability exists in the WebGL component of Google Chrome versions prior to 152.0.7977.65. 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 critical severity rating with a CVSS score of 9.6.
CVSS v3.1
Score 9.6critical
Affected software
Chrome
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-78948 is a buffer overflow vulnerability in the WebGL implementation of Google Chrome before version 152.0.7977.65. Exploitation of this vulnerability can lead to remote code execution outside the sandbox, enabling an attacker to run arbitrary code on the affected system. The vulnerability is rated critical with a CVSS 3.1 score of 9.6, reflecting high impact on confidentiality, integrity, and availability. The vendor has published a stable channel update addressing this issue as per the advisory linked.
Potential Impact
Successful exploitation allows remote attackers to execute arbitrary code outside the sandbox, potentially compromising the affected system fully. This impacts confidentiality, integrity, and availability of the system running the vulnerable Chrome version.
Mitigation Recommendations
Users should update Google Chrome to version 152.0.7977.65 or later, as this version contains the fix for the buffer overflow vulnerability. The vendor advisory at https://chromereleases.googleblog.com/2026/08/stable-channel-update-for-desktop_0256176589.html confirms the availability of this update. Applying this update mitigates the risk of exploitation.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Chrome
- Date Reserved
- 2026-08-25T06:04:35.222Z
- State
- PUBLISHED
- Vendor Advisory Urls
- [{"url":"https://chromereleases.googleblog.com/2026/08/stable-channel-update-for-desktop_0256176589.html","vendor":"Google"}]
Threat ID: 6a8df9baacd9273b49ac6ddd
Added to database: 08/25/2026, 20:23:22 UTC
Last enriched: 09/10/2026, 00:37:19 UTC
Last updated: 10/10/2026, 06:48:19 UTC
Views: 44
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