PatchSiren

PatchSiren cyber security CVE debrief

CVE-2026-11671 Google CVE debrief

CVE-2026-11671 is a critical vulnerability in Google Chrome prior to version 149.0.7827.103. The vulnerability is caused by a use after free in the Navigation component, which could allow a remote attacker to potentially perform a sandbox escape via a crafted HTML page. The CVSS score for this vulnerability is 9.6, indicating a high severity.

Vendor
Google
Product
Chrome
CVSS
CRITICAL 9.6
CISA KEV
Not listed in stored evidence
Original CVE published
2026-06-09
Original CVE updated
2026-06-09
Advisory published
2026-06-09
Advisory updated
2026-06-09

Who should care

Users of Google Chrome prior to version 149.0.7827.103 should update to the latest version to mitigate this vulnerability.

Technical summary

The vulnerability is caused by a use after free in the Navigation component of Google Chrome. This could allow a remote attacker to potentially perform a sandbox escape via a crafted HTML page.

Defensive priority

High

Recommended defensive actions

  • Update Google Chrome to version 149.0.7827.103 or later.
  • Refer to [ref-4](https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop_0153744567.html) for vendor advisory.

Evidence notes

The CVE record and NVD detail can be found at [cve-org](https://www.cve.org/CVERecord?id=CVE-2026-11671) and [nvd](https://nvd.nist.gov/vuln/detail/CVE-2026-11671), respectively.

Official resources

CVE-2026-11671 was published on 2026-06-09T00:16:50.337Z and modified on 2026-06-09T14:53:57.547Z.