CVE-2026-17721: Out of bounds write in Google Chrome
CVE-2026-17721 is a critical out-of-bounds write vulnerability in the ANGLE component of Google Chrome. It affects versions prior to 151.0.7922.72 and could allow a remote attacker to perform a sandbox escape by delivering a crafted HTML page. The vulnerability has a high CVSS score of 9.6, indicating severe impact on confidentiality, integrity, and availability. No known exploits in the wild have been reported. A vendor advisory is available but does not explicitly confirm patch status or remediation level.
AI Analysis
Technical Summary
This vulnerability involves an out-of-bounds write in the ANGLE graphics engine used by Google Chrome. Versions before 151.0.7922.72 are affected. Exploitation could enable a remote attacker to escape the browser sandbox via a specially crafted HTML page, potentially leading to full system compromise. The CVSS 3.1 vector indicates network attack vector, low attack complexity, no privileges required, user interaction required, scope changed, and high impact on confidentiality, integrity, and availability.
Potential Impact
Successful exploitation could allow an attacker to escape the Chrome sandbox, potentially leading to arbitrary code execution with elevated privileges outside the browser environment. This poses a critical risk to affected users' systems and data confidentiality, integrity, and availability.
Mitigation Recommendations
Google has published a stable channel update for Chrome 151.0.7922.72 addressing this issue. Users and administrators should update to version 151.0.7922.72 or later to remediate this vulnerability. Patch status is not explicitly confirmed in the advisory, so verifying update application is recommended.
CVE-2026-17721: Out of bounds write in Google Chrome
Description
CVE-2026-17721 is a critical out-of-bounds write vulnerability in the ANGLE component of Google Chrome. It affects versions prior to 151.0.7922.72 and could allow a remote attacker to perform a sandbox escape by delivering a crafted HTML page. The vulnerability has a high CVSS score of 9.6, indicating severe impact on confidentiality, integrity, and availability. No known exploits in the wild have been reported. A vendor advisory is available but does not explicitly confirm patch status or remediation level.
CVSS v3.1
Score 9.6critical
Affected software
Chrome
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves an out-of-bounds write in the ANGLE graphics engine used by Google Chrome. Versions before 151.0.7922.72 are affected. Exploitation could enable a remote attacker to escape the browser sandbox via a specially crafted HTML page, potentially leading to full system compromise. The CVSS 3.1 vector indicates network attack vector, low attack complexity, no privileges required, user interaction required, scope changed, and high impact on confidentiality, integrity, and availability.
Potential Impact
Successful exploitation could allow an attacker to escape the Chrome sandbox, potentially leading to arbitrary code execution with elevated privileges outside the browser environment. This poses a critical risk to affected users' systems and data confidentiality, integrity, and availability.
Mitigation Recommendations
Google has published a stable channel update for Chrome 151.0.7922.72 addressing this issue. Users and administrators should update to version 151.0.7922.72 or later to remediate this vulnerability. Patch status is not explicitly confirmed in the advisory, so verifying update application is recommended.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Chrome
- Date Reserved
- 2026-07-27T23:34:30.725Z
- State
- PUBLISHED
- Vendor Advisory Urls
- [{"url":"https://chromereleases.googleblog.com/2026/07/stable-channel-update-for-desktop_0887107924.html","vendor":"Google"}]
Threat ID: 6a6aa0869c2644c7f849a994
Added to database: 07/30/2026, 00:53:26 UTC
Last enriched: 08/06/2026, 17:18:28 UTC
Last updated: 09/12/2026, 22:01:31 UTC
Views: 42
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