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CVE-2026-11009 Google CVE debrief

CVE-2026-11009 is a use after free vulnerability in USB in Google Chrome on Windows. The vulnerability, which has a CVSS score of 9.6 and a severity of CRITICAL, allowed a remote attacker to potentially perform a sandbox escape via a crafted HTML page. The vulnerability was reported on June 4, 2026, and the Chrome browser was updated to version 149.0.7827.53 to address the issue.

Vendor
Google
Product
Chrome
CVSS
CRITICAL 9.6
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 on Windows should update to version 149.0.7827.53 or later to address this vulnerability.

Technical summary

The vulnerability is a use after free issue in the USB component of Google Chrome on Windows. This type of vulnerability occurs when a program attempts to use memory after it has been freed, which can lead to unexpected behavior and potentially allow an attacker to execute arbitrary code.

Defensive priority

High

Recommended defensive actions

  • Update Google Chrome to version 149.0.7827.53 or later.
  • Review and apply the vendor advisory: [ref-4](https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop.html)

Evidence notes

The CVE record and NVD detail can be found at [cve-org](https://www.cve.org/CVERecord?id=CVE-2026-11009) and [nvd](https://nvd.nist.gov/vuln/detail/CVE-2026-11009), respectively.

Official resources

CVE-2026-11009 was published on June 4, 2026, and the Chrome browser was updated to address the issue.