Use after free in V8 in Google Chrome prior to 151.0.7922.72 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML… (CVE-2026-17665)
Use after free in V8 in Google Chrome prior to 151.0.7922.72 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security severity: High)
AI Analysis
Technical Summary
CVE-2026-17665 is a use-after-free vulnerability in the V8 engine of Google Chrome before version 151.0.7922.72. Exploitation involves a crafted HTML page that enables remote code execution inside the browser sandbox. The vulnerability is tracked under CWE-416 (Use After Free). The Chromium project has assigned a high severity rating to this issue. No CVSS score is available, and no known exploits have been observed in the wild. The vulnerability affects Google Chrome desktop versions prior to 151.0.7922.72.
Potential Impact
Successful exploitation allows a remote attacker to execute arbitrary code inside the sandboxed environment of Google Chrome, potentially leading to unauthorized actions within the browser context. This could compromise the confidentiality and integrity of the user's browsing session. However, the sandbox limits the scope of impact to the browser environment.
Mitigation Recommendations
Users should update Google Chrome to version 151.0.7922.72 or later to remediate this vulnerability. Since this is a client-side application, applying the official update from Google is the recommended and effective mitigation. No other mitigations or workarounds are specified.
Use after free in V8 in Google Chrome prior to 151.0.7922.72 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML… (CVE-2026-17665)
Description
Use after free in V8 in Google Chrome prior to 151.0.7922.72 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security severity: High)
CVSS v3.1
Score 8.8high
Affected software
pkg:github/chromium/chromiumRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-17665 is a use-after-free vulnerability in the V8 engine of Google Chrome before version 151.0.7922.72. Exploitation involves a crafted HTML page that enables remote code execution inside the browser sandbox. The vulnerability is tracked under CWE-416 (Use After Free). The Chromium project has assigned a high severity rating to this issue. No CVSS score is available, and no known exploits have been observed in the wild. The vulnerability affects Google Chrome desktop versions prior to 151.0.7922.72.
Potential Impact
Successful exploitation allows a remote attacker to execute arbitrary code inside the sandboxed environment of Google Chrome, potentially leading to unauthorized actions within the browser context. This could compromise the confidentiality and integrity of the user's browsing session. However, the sandbox limits the scope of impact to the browser environment.
Mitigation Recommendations
Users should update Google Chrome to version 151.0.7922.72 or later to remediate this vulnerability. Since this is a client-side application, applying the official update from Google is the recommended and effective mitigation. No other mitigations or workarounds are specified.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-fxx8-mrm7-3fhg
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-17665"]
- Ecosystems
- []
- Database Specific Severity
- null
- Cvss Version
- null
Threat ID: 6a6ae5219c2644c7f8983bce
Added to database: 07/30/2026, 05:46:09 UTC
Last enriched: 07/30/2026, 06:52:31 UTC
Last updated: 07/31/2026, 22:17:46 UTC
Views: 3
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