PatchSiren cyber security CVE debrief

CVE-2026-10996 Google CVE debrief

CVE-2026-10996 is a Medium severity vulnerability in Google Chrome prior to version 149.0.7827.53. The vulnerability is caused by an inappropriate implementation in Workers, which allowed a remote attacker to bypass same origin policy via a crafted HTML page. The CVSS score for this vulnerability is 6.5.

Vendor: Google
Product: Chrome
CVSS: MEDIUM 6.5
CISA KEV: Not listed in stored evidence
Original CVE published: 2026-06-04
Original CVE updated: 2026-06-08
Advisory published: 2026-06-04
Advisory updated: 2026-06-08

Who should care

Users of Google Chrome prior to version 149.0.7827.53 should update to the latest version to mitigate this vulnerability.

Technical summary

The vulnerability is caused by an inappropriate implementation in Workers in Google Chrome prior to version 149.0.7827.53. This allowed a remote attacker to bypass same origin policy via a crafted HTML page.

Defensive priority

Medium

Recommended defensive actions

Update Google Chrome to version 149.0.7827.53 or later.

Evidence notes

The vulnerability was reported by an anonymous researcher.

Official resources

CVE-2026-10996 CVE record
CVE.org
CVE-2026-10996 NVD detail
NVD
Source item URL
nvd_modified
Mitigation or vendor reference
[email protected] - Release Notes
Source reference
[email protected] - Permissions Required

CVE-2026-10996 was published on [2026-06-04T23:17:03.250Z](https://www.cve.org/CVERecord?id=CVE-2026-10996) and modified on [2026-06-08T17:16:34.293Z](https://nvd.nist.gov/vuln/detail/CVE-2026-10996).