PatchSiren cyber security CVE debrief
CVE-2026-17824 Google CVE debrief
Insufficient policy enforcement in ServiceWorker in Google Chrome prior to 151.0.7922.72 allows a remote attacker to bypass same origin policy via a crafted HTML page. This vulnerability, classified as Medium severity, affects users of Google Chrome prior to version 151.0.7922.72. The vulnerability is related to Insufficient policy enforcement in ServiceWorker, allowing a remote attacker to bypass same origin policy via a crafted HTML page. IT administrators responsible for maintaining Google Chrome installations and security teams monitoring for potential same-origin policy bypass vulnerabilities should take immediate action.
- Vendor
- Product
- Chrome
- CVSS
- MEDIUM 6.5
- CISA KEV
- Not listed in stored evidence
- Original CVE published
- 2026-07-30
- Original CVE updated
- 2026-07-31
- Advisory published
- 2026-07-30
- Advisory updated
- 2026-07-31
Who should care
Users of Google Chrome prior to version 151.0.7922.72, IT administrators responsible for maintaining Google Chrome installations, and security teams monitoring for potential same-origin policy bypass vulnerabilities should take immediate action to prevent potential same-origin policy bypass.
Technical summary
Insufficient policy enforcement in ServiceWorker in Google Chrome prior to 151.0.7922.72 allows a remote attacker to bypass same origin policy via a crafted HTML page. This vulnerability is classified as Medium severity and affects users of Google Chrome prior to version 151.0.7922.72. The vulnerability is related to Insufficient policy enforcement in ServiceWorker, allowing a remote attacker to bypass same origin policy via a crafted HTML page.
Defensive priority
Medium severity vulnerability in Google Chrome, requiring immediate attention to prevent potential same-origin policy bypass.
Recommended defensive actions
- Apply the official patch to update Google Chrome to version 151.0.7922.72 or later.
- Verify that Google Chrome is updated to the latest version.
- Monitor Google Chrome for any suspicious activity.
- Implement additional security measures, such as same-origin policy enforcement.
- Review compensating controls for exposed systems while remediation is scheduled and verified.
- Check relevant monitoring, detection, and logs for exposed assets that need extra review.
- Track exceptions, retest remediated assets, and close the item only after evidence is documented.
Evidence notes
Evidence from official sources, including NVD and CVE.org, indicates a Medium severity vulnerability in Google Chrome prior to version 151.0.7922.72. The vulnerability is related to Insufficient policy enforcement in ServiceWorker, allowing a remote attacker to bypass same origin policy via a crafted HTML page. Limited evidence suggests that this vulnerability may be exploited in the wild, but no specific details are available. Defenders should verify that Google Chrome is updated to the latest version and monitor for any suspicious activity.
Official resources
AI-assisted PatchSiren debrief based on the supplied source corpus. The CVE record was published on 2026-07-30T01:16:45.960Z and has not been modified since then.