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CVE-2026-11298 Google CVE debrief

CVE-2026-11298 is a vulnerability in Google Chrome for iOS prior to version 149.0.7827.53. The vulnerability is caused by an inappropriate implementation in Chrome for iOS, which allowed a remote attacker to bypass same origin policy via a crafted HTML page. The CVSS score for this vulnerability is 4.3, and the severity is MEDIUM.

Vendor
Google
Product
Chrome
CVSS
MEDIUM 4.3
CISA KEV
Not listed in stored evidence
Original CVE published
2026-06-05
Original CVE updated
2026-06-09
Advisory published
2026-06-05
Advisory updated
2026-06-09

Who should care

Users of Google Chrome on iOS 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 Chrome for iOS, which allowed a remote attacker to bypass same origin policy via a crafted HTML page. The CVSS vector for this vulnerability is CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N.

Defensive priority

This vulnerability has a MEDIUM severity and a CVSS score of 4.3. It is recommended that users update to the latest version of Google Chrome on iOS to mitigate this vulnerability.

Recommended defensive actions

  • Update Google Chrome on iOS to version 149.0.7827.53 or later.

Evidence notes

The vulnerability was published on 2026-06-05T00:17:07.570Z and modified on 2026-06-09T13:44:49.607Z.

Official resources

CVE-2026-11298 was published on 2026-06-05T00:17:07.570Z and modified on 2026-06-09T13:44:49.607Z.