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CVE-2026-11234 Google CVE debrief

CVE-2026-11234 is a MEDIUM severity vulnerability in Google Chrome prior to version 149.0.7827.53. This issue is related to an inappropriate implementation in FoldableAPIs, which allowed a remote attacker who had compromised the renderer process to bypass site isolation via a crafted HTML page. The CVSS score for this vulnerability is 4.3.

Vendor
Google
Product
Chrome
CVSS
MEDIUM 4.3
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 FoldableAPIs in Google Chrome prior to version 149.0.7827.53. This allows a remote attacker who has compromised the renderer process to bypass site isolation 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 2026-06-04T23:17:31.293Z and modified on 2026-06-09T18:54:47.070Z. The vulnerability has a CVSS score of 4.3 and is classified as MEDIUM severity.

Official resources

CVE-2026-11234 was published on 2026-06-04T23:17:31.293Z and modified on 2026-06-09T18:54:47.070Z.