CVE-2026-17778: Use after free in Google Chrome
A use-after-free vulnerability exists in Google Chrome extensions prior to version 151.0.7922.72. This flaw allows a remote attacker to execute arbitrary code within the sandbox by leveraging a crafted Chrome extension. The vulnerability has a high severity rating with a CVSS score of 8.8. No known exploits in the wild have been reported. The vendor has published an advisory indicating the fixed version is 151.0.7922.72.
AI Analysis
Technical Summary
CVE-2026-17778 is a use-after-free vulnerability affecting Google Chrome extensions before version 151.0.7922.72. This vulnerability enables remote code execution inside the sandbox through a specially crafted Chrome extension. The CVSS v3.1 base score is 8.8, reflecting high impact on confidentiality, integrity, and availability. The vulnerability was publicly disclosed on July 30, 2026, and Google has released a stable channel update addressing this issue in version 151.0.7922.72.
Potential Impact
Successful exploitation allows a remote attacker to execute arbitrary code within the sandboxed environment of Chrome extensions, potentially compromising browser security and user data confidentiality, integrity, and availability. The high CVSS score indicates significant risk if exploited.
Mitigation Recommendations
Users and administrators should update Google Chrome to version 151.0.7922.72 or later, where this vulnerability is fixed. The vendor advisory confirms the availability of this update. No additional mitigation is required once the update is applied.
CVE-2026-17778: Use after free in Google Chrome
Description
A use-after-free vulnerability exists in Google Chrome extensions prior to version 151.0.7922.72. This flaw allows a remote attacker to execute arbitrary code within the sandbox by leveraging a crafted Chrome extension. The vulnerability has a high severity rating with a CVSS score of 8.8. No known exploits in the wild have been reported. The vendor has published an advisory indicating the fixed version is 151.0.7922.72.
CVSS v3.1
Score 8.8high
Affected software
Chrome
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-17778 is a use-after-free vulnerability affecting Google Chrome extensions before version 151.0.7922.72. This vulnerability enables remote code execution inside the sandbox through a specially crafted Chrome extension. The CVSS v3.1 base score is 8.8, reflecting high impact on confidentiality, integrity, and availability. The vulnerability was publicly disclosed on July 30, 2026, and Google has released a stable channel update addressing this issue in version 151.0.7922.72.
Potential Impact
Successful exploitation allows a remote attacker to execute arbitrary code within the sandboxed environment of Chrome extensions, potentially compromising browser security and user data confidentiality, integrity, and availability. The high CVSS score indicates significant risk if exploited.
Mitigation Recommendations
Users and administrators should update Google Chrome to version 151.0.7922.72 or later, where this vulnerability is fixed. The vendor advisory confirms the availability of this update. No additional mitigation is required once the update is applied.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Chrome
- Date Reserved
- 2026-07-27T23:34:43.614Z
- State
- PUBLISHED
- Vendor Advisory Urls
- [{"url":"https://chromereleases.googleblog.com/2026/07/stable-channel-update-for-desktop_0887107924.html","vendor":"Google"}]
Threat ID: 6a6aa0909c2644c7f849b1d3
Added to database: 07/30/2026, 00:53:36 UTC
Last enriched: 08/06/2026, 17:01:33 UTC
Last updated: 09/12/2026, 22:01:31 UTC
Views: 44
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