PatchSiren cyber security CVE debrief
CVE-2026-17749 Google CVE debrief
AI-assisted PatchSiren debrief based on the supplied source corpus. The CVE record was published on 2026-07-30T01:16:37.803Z and has not been modified since then. The NVD entry is currently Undergoing Analysis. This vulnerability, CVE-2026-17749, involves insufficient validation of untrusted input in Google Chrome Extensions prior to version 151.0.7922.72, which could allow an attacker to potentially perform a sandbox escape via a crafted Chrome Extension. The vulnerability has a CVSS score of 9.6 and is classified as CRITICAL, with a Medium security severity according to Chromium. It requires user interaction to exploit. Affected systems include Google Chrome versions prior to 151.0.7922.72. The information provided is based on official CVE and NVD records, and may not cover all affected systems or exploitation details. Defenders should verify Chrome version, review extension installations, and monitor for suspicious activity.
- Vendor
- Product
- Chrome
- CVSS
- CRITICAL 9.6
- CISA KEV
- Not listed in stored evidence
- Original CVE published
- 2026-07-30
- Original CVE updated
- 2026-08-03
- Advisory published
- 2026-07-30
- Advisory updated
- 2026-08-03
Who should care
Organizations and individuals using Google Chrome for browsing, especially those with strict security requirements or handling sensitive data, should be aware of this vulnerability. IT administrators, cybersecurity teams, and users of Google Chrome should take necessary actions to mitigate the risk. This includes reviewing Chrome versions, restricting extension installations, and monitoring for suspicious activity. Managed environments should assign owners to review and apply patches or mitigations as needed.
Technical summary
Insufficient validation of untrusted input in Google Chrome Extensions prior to version 151.0.7922.72 allows an attacker who convinces a user to install a malicious extension to potentially perform a sandbox escape via a crafted Chrome Extension. This vulnerability has a CVSS score of 9.6 and is classified as CRITICAL. It requires user interaction to exploit and has a Medium security severity according to Chromium. Affected systems include Google Chrome versions prior to 151.0.7922.72.
Defensive priority
Medium severity vulnerability in Google Chrome, requiring user interaction to exploit, with potential for sandbox escape.
Recommended defensive actions
- Inventory and verify Google Chrome version, ensuring it is 151.0.7922.72 or later.
- Implement compensating controls, such as restricting installation of extensions.
- Monitor for suspicious extension activity and user interactions.
- Enforce strict user input validation and sanitization.
- Consider disabling or restricting use of extensions until official patches are applied.
Evidence notes
Official CVE and NVD records confirm insufficient validation of untrusted input in Google Chrome Extensions prior to version 151.0.7922.72, allowing potential sandbox escape via crafted Chrome Extensions. Chromium security severity is Medium, CVSS score is 9.6. Evidence is limited to official records and may not cover all affected systems or exploitation details. Defenders should verify Chrome version, review extension installations, and monitor for suspicious activity.
Official resources
AI-assisted PatchSiren debrief based on the supplied source corpus. The CVE record was published on 2026-07-30T01:16:37.803Z and has not been modified since then.