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CVE-2026-11300 Google CVE debrief

CVE-2026-11300 is a MEDIUM severity vulnerability in Google Chrome prior to 149.0.7827.53. This vulnerability is caused by an inappropriate implementation in Permissions, allowing a remote attacker to perform UI spoofing via a crafted HTML page. The Chromium security severity is rated as Low.

Vendor
Google
Product
Chrome
CVSS
MEDIUM 4.3
CISA KEV
Not listed in stored evidence
Original CVE published
2026-06-05
Original CVE updated
2026-06-08
Advisory published
2026-06-05
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 has a CVSS score of 4.3 and a CVSS severity of MEDIUM. The CVSS vector is CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N. The weakness is classified as CWE-451.

Defensive priority

This vulnerability is rated as MEDIUM severity, and users should prioritize updating to the latest version of Google Chrome.

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 release notes and [ref-5](https://issues.chromium.org/issues/503614310) for permissions required.

Evidence notes

The CVE record is sourced from [cve-org](https://www.cve.org/CVERecord?id=CVE-2026-11300) and the NVD detail is sourced from [nvd](https://nvd.nist.gov/vuln/detail/CVE-2026-11300).

Official resources

CVE-2026-11300 was published on 2026-06-05T00:17:07.830Z and modified on 2026-06-08T18:10:41.230Z.