CVE-2026-17947: Use after free in Google Chrome
CVE-2026-17947 is a use-after-free vulnerability in the WebSockets implementation of Google Chrome prior to version 151.0.7922.72. This flaw could allow a remote attacker to potentially escape the browser sandbox by crafting a malicious HTML page. The vulnerability has a high CVSS score of 9.6, indicating critical severity. No known exploits are reported in the wild. Google has released Chrome version 151.0.7922.72 to address this issue.
AI Analysis
Technical Summary
This vulnerability involves a use-after-free condition in the WebSockets component of Google Chrome before version 151.0.7922.72. Exploiting this flaw could enable a remote attacker to execute code outside the browser sandbox, increasing the risk of system compromise. The CVSS 3.1 base score is 9.6, reflecting network attack vector, low attack complexity, no privileges required, user interaction required, scope change, and high impact on confidentiality, integrity, and availability. The vendor advisory confirms the fix is included in Chrome 151.0.7922.72.
Potential Impact
Successful exploitation can lead to sandbox escape, allowing an attacker to execute code with higher privileges than normally permitted within the browser environment. This can compromise system security, data confidentiality, integrity, and availability.
Mitigation Recommendations
Users and administrators should update Google Chrome to version 151.0.7922.72 or later to remediate this vulnerability. The vendor advisory indicates this version contains the fix. No additional mitigations are specified.
CVE-2026-17947: Use after free in Google Chrome
Description
CVE-2026-17947 is a use-after-free vulnerability in the WebSockets implementation of Google Chrome prior to version 151.0.7922.72. This flaw could allow a remote attacker to potentially escape the browser sandbox by crafting a malicious HTML page. The vulnerability has a high CVSS score of 9.6, indicating critical severity. No known exploits are reported in the wild. Google has released Chrome version 151.0.7922.72 to address this issue.
CVSS v3.1
Score 9.6critical
Affected software
Chrome
pkg:github/chromium/chromiumRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves a use-after-free condition in the WebSockets component of Google Chrome before version 151.0.7922.72. Exploiting this flaw could enable a remote attacker to execute code outside the browser sandbox, increasing the risk of system compromise. The CVSS 3.1 base score is 9.6, reflecting network attack vector, low attack complexity, no privileges required, user interaction required, scope change, and high impact on confidentiality, integrity, and availability. The vendor advisory confirms the fix is included in Chrome 151.0.7922.72.
Potential Impact
Successful exploitation can lead to sandbox escape, allowing an attacker to execute code with higher privileges than normally permitted within the browser environment. This can compromise system security, data confidentiality, integrity, and availability.
Mitigation Recommendations
Users and administrators should update Google Chrome to version 151.0.7922.72 or later to remediate this vulnerability. The vendor advisory indicates this version contains the fix. No additional mitigations are specified.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Chrome
- Date Reserved
- 2026-07-27T23:37:06.149Z
- State
- PUBLISHED
- Vendor Advisory Urls
- [{"url":"https://chromereleases.googleblog.com/2026/07/stable-channel-update-for-desktop_0887107924.html","vendor":"Google"}]
Threat ID: 6a6aa0a89c2644c7f849baf1
Added to database: 07/30/2026, 00:54:00 UTC
Last enriched: 08/06/2026, 17:38:22 UTC
Last updated: 09/12/2026, 10:01:29 UTC
Views: 35
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