CVE-2026-17661: Use after free in Google Chrome
CVE-2026-17661 is a use-after-free vulnerability in the Loader component of Google Chrome versions prior to 151.0.7922.72. This flaw allows a remote attacker to execute arbitrary code within the browser's sandbox by delivering a crafted HTML page. The vulnerability has a high severity rating with a CVSS score of 8.8. No known exploits in the wild have been reported. Google has released an update in version 151.0.7922.72 to address this issue.
AI Analysis
Technical Summary
This vulnerability involves a use-after-free condition in the Loader component of Google Chrome before version 151.0.7922.72. Exploiting this flaw enables remote attackers to execute arbitrary code inside the sandbox environment by crafting malicious HTML content. The issue is rated high severity with a CVSS 3.1 score of 8.8, reflecting its potential impact on confidentiality, integrity, and availability. The vulnerability was publicly disclosed on July 30, 2026, and fixed in Chrome 151.0.7922.72.
Potential Impact
Successful exploitation allows remote code execution within the sandboxed environment of Google Chrome, potentially compromising the confidentiality, integrity, and availability of the affected system. The attacker can execute arbitrary code, which may lead to further compromise depending on sandbox escape techniques and user privileges.
Mitigation Recommendations
Users should update Google Chrome to version 151.0.7922.72 or later to remediate this vulnerability. The vendor advisory confirms that this version contains the fix. No additional mitigation steps are indicated.
CVE-2026-17661: Use after free in Google Chrome
Description
CVE-2026-17661 is a use-after-free vulnerability in the Loader component of Google Chrome versions prior to 151.0.7922.72. This flaw allows a remote attacker to execute arbitrary code within the browser's sandbox by delivering a crafted HTML page. The vulnerability has a high severity rating with a CVSS score of 8.8. No known exploits in the wild have been reported. Google has released an update in version 151.0.7922.72 to address this issue.
CVSS v3.1
Score 8.8high
Affected software
Chrome
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves a use-after-free condition in the Loader component of Google Chrome before version 151.0.7922.72. Exploiting this flaw enables remote attackers to execute arbitrary code inside the sandbox environment by crafting malicious HTML content. The issue is rated high severity with a CVSS 3.1 score of 8.8, reflecting its potential impact on confidentiality, integrity, and availability. The vulnerability was publicly disclosed on July 30, 2026, and fixed in Chrome 151.0.7922.72.
Potential Impact
Successful exploitation allows remote code execution within the sandboxed environment of Google Chrome, potentially compromising the confidentiality, integrity, and availability of the affected system. The attacker can execute arbitrary code, which may lead to further compromise depending on sandbox escape techniques and user privileges.
Mitigation Recommendations
Users should update Google Chrome to version 151.0.7922.72 or later to remediate this vulnerability. The vendor advisory confirms that this version contains the fix. No additional mitigation steps are indicated.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Chrome
- Date Reserved
- 2026-07-27T23:34:16.774Z
- State
- PUBLISHED
- Vendor Advisory Urls
- [{"url":"https://chromereleases.googleblog.com/2026/07/stable-channel-update-for-desktop_0887107924.html","vendor":"Google"}]
Threat ID: 6a6aa07d9c2644c7f849a686
Added to database: 07/30/2026, 00:53:17 UTC
Last enriched: 08/06/2026, 16:58:47 UTC
Last updated: 09/12/2026, 22:01:31 UTC
Views: 40
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