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CVE-2026-11253 Google CVE debrief

A vulnerability was discovered in Google Chrome prior to version 149.0.7827.53, related to an inappropriate implementation in Permissions. This vulnerability, tracked as CVE-2026-11253, could allow a remote attacker to leak cross-origin data via a crafted HTML page. The Chromium security severity of this issue is rated as Low, and it has a CVSS score of 4.3, indicating a Medium severity level.

Vendor
Google
Product
Chrome
CVSS
MEDIUM 4.3
CISA KEV
Not listed in stored evidence
Original CVE published
2026-06-05
Original CVE updated
2026-06-05
Advisory published
2026-06-05
Advisory updated
2026-06-05

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 Permissions in Google Chrome. This could allow a remote attacker to leak cross-origin data 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 CVE was published on 2026-06-05T00:17:01.847Z and last modified on 2026-06-05T15:31:39.617Z. The vulnerability affects Google Chrome prior to version 149.0.7827.53.

Official resources

CVE-2026-11253 was published on 2026-06-05T00:17:01.847Z and last modified on 2026-06-05T15:31:39.617Z.