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-2026-17658)
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-2026-17658 is a use-after-free vulnerability in the V8 engine component of Google Chrome before version 151.0.7922.72. Exploitation requires a crafted HTML page that triggers the use-after-free condition, enabling remote code execution inside the browser's sandbox environment. The vulnerability is identified as CWE-416 and is considered high severity by Chromium security. There is no CVSS score provided, and no vendor advisory or patch information is included in the data.
Potential Impact
Successful exploitation could allow a remote attacker to execute arbitrary code within the sandboxed environment of Google Chrome, potentially leading to unauthorized actions or compromise of the browser process. However, no known exploits in the wild have been reported to date.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Users should update Google Chrome to version 151.0.7922.72 or later once the patch is officially released. Until then, exercise caution when visiting untrusted websites.
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-2026-17658)
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-2026-17658 is a use-after-free vulnerability in the V8 engine component of Google Chrome before version 151.0.7922.72. Exploitation requires a crafted HTML page that triggers the use-after-free condition, enabling remote code execution inside the browser's sandbox environment. The vulnerability is identified as CWE-416 and is considered high severity by Chromium security. There is no CVSS score provided, and no vendor advisory or patch information is included in the data.
Potential Impact
Successful exploitation could allow a remote attacker to execute arbitrary code within the sandboxed environment of Google Chrome, potentially leading to unauthorized actions or compromise of the browser process. However, no known exploits in the wild have been reported to date.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Users should update Google Chrome to version 151.0.7922.72 or later once the patch is officially released. Until then, exercise caution when visiting untrusted websites.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-qp73-3238-xr3r
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-17658"]
- Ecosystems
- []
- Database Specific Severity
- null
- Cvss Version
- null
Threat ID: 6a6ae5219c2644c7f8983999
Added to database: 07/30/2026, 05:46:09 UTC
Last enriched: 07/30/2026, 06:51:10 UTC
Last updated: 07/31/2026, 22:17:50 UTC
Views: 14
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