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CVE-2026-11105 Google CVE debrief

CVE-2026-11105 is a Medium severity vulnerability in Google Chrome prior to version 149.0.7827.53. The issue involves insufficient validation of untrusted input in WebUI, allowing a remote attacker who has compromised the renderer process to leak cross-origin data via a crafted HTML page. The vulnerability has a CVSS score of 6.5.

Vendor
Google
Product
Chrome
CVSS
MEDIUM 6.5
CISA KEV
Not listed in stored evidence
Original CVE published
2026-06-04
Original CVE updated
2026-07-23
Advisory published
2026-06-04
Advisory updated
2026-07-23

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 insufficient validation of untrusted input in WebUI in Google Chrome prior to 149.0.7827.53. This allows a remote attacker who has compromised the renderer process 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 2026-06-04T23:17:16.067Z and modified on 2026-06-08T19:16:36.477Z. The vulnerability has been publicly disclosed and a patch is available.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-11105 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-11105

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-11105 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-11105

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.