CVE-2026-78891: Buffer overflow in Google Chrome
Description
CVE-2026-78891 is a high severity buffer overflow vulnerability in the WebRTC component of Google Chrome prior to version 152.0.7977.65. This flaw allows a remote attacker to execute arbitrary code within the sandbox by delivering a crafted HTML page. Google has released Chrome version 152.0.7977.65 to address this issue.
CVSS v3.1
Score 8.8high
Affected software
Chrome
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-78891 is a buffer overflow vulnerability affecting the WebRTC component in Google Chrome versions before 152.0.7977.65. Exploitation of this vulnerability allows a remote attacker to execute arbitrary code within the sandbox environment by delivering a specially crafted HTML page. The vulnerability has a CVSS v3.1 score of 8.8, indicating high severity. Google has released an official fix in Chrome version 152.0.7977.65 to remediate this issue.
Potential Impact
Successful exploitation of this vulnerability could enable remote code execution within the sandboxed environment of Google Chrome, potentially compromising the affected system's confidentiality, integrity, and availability. The high CVSS score (8.8) reflects the critical nature of the impact.
Mitigation Recommendations
Google has released Chrome version 152.0.7977.65 which contains the official fix for this vulnerability. Users and administrators should update affected Chrome installations to version 152.0.7977.65 or later to mitigate this risk.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Chrome
- Date Reserved
- 2026-08-25T06:03:50.494Z
- State
- PUBLISHED
- Vendor Advisory Urls
- [{"url":"https://chromereleases.googleblog.com/2026/08/stable-channel-update-for-desktop_0256176589.html","vendor":"Google"}]
Threat ID: 6a8df9b3acd9273b49ac6d37
Added to database: 08/25/2026, 20:23:15 UTC
Last enriched: 09/17/2026, 02:51:34 UTC
Last updated: 10/09/2026, 18:48:23 UTC
Views: 48
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