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CVE-2026-11008 Google CVE debrief

CVE-2026-11008 is a Medium severity vulnerability in Google Chrome prior to version 149.0.7827.53. The vulnerability is caused by insufficient validation of untrusted input in WebAppInstalls, which allowed a remote attacker who had compromised the renderer process to leak cross-origin data via a crafted HTML page.

Vendor
Google
Product
Chrome
CVSS
MEDIUM 6.5
CISA KEV
Not listed in stored evidence
Original CVE published
2026-06-04
Original CVE updated
2026-06-08
Advisory published
2026-06-04
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 6.5 and a CVSS severity of Medium. The CVSS vector is CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N. The weakness is classified as CWE-20.

Defensive priority

Medium

Recommended defensive actions

  • Update Google Chrome to version 149.0.7827.53 or later.

Evidence notes

The vulnerability was published on 2026-06-04T23:17:04.613Z and modified on 2026-06-08T18:09:16.830Z.

Official resources

CVE-2026-11008 was published on 2026-06-04T23:17:04.613Z and modified on 2026-06-08T18:09:16.830Z.