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CVE-2026-11023 Google CVE debrief

CVE-2026-11023 is a medium-severity vulnerability in Google Chrome prior to version 149.0.7827.53. The vulnerability is caused by an inappropriate implementation in WebAppInstalls, which allows a remote attacker who has compromised the renderer process to bypass same origin policy via a crafted HTML page. The CVSS score for this vulnerability is 6.5, indicating a medium severity level.

Vendor
Google
Product
Chrome
CVSS
MEDIUM 6.5
CISA KEV
Not listed in stored evidence
Original CVE published
2026-06-04
Original CVE updated
2026-06-09
Advisory published
2026-06-04
Advisory updated
2026-06-09

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 WebAppInstalls in Google Chrome prior to version 149.0.7827.53. This allows a remote attacker who has compromised the renderer process 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.
  • Refer to [ref-4](https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop.html) for more information on the stable channel update for desktop.

Evidence notes

The CVE record for CVE-2026-11023 can be found at [cve-org](https://www.cve.org/CVERecord?id=CVE-2026-11023). The NVD detail for this vulnerability can be found at [nvd](https://nvd.nist.gov/vuln/detail/CVE-2026-11023).

Official resources

CVE-2026-11023 was published on 2026-06-04T23:17:06.257Z and modified on 2026-06-09T03:08:08.017Z.