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PatchSiren cyber security CVE debrief

CVE-2026-11128 Google CVE debrief

CVE-2026-11128 is a Medium severity vulnerability in Google Chrome's Web Share feature. It was published on 2026-06-04 and modified on 2026-06-09. The vulnerability allowed a remote attacker to leak cross-origin data via a crafted HTML page if a user was convinced to engage in specific UI gestures. The CVSS score is 6.5. The vendor listed is Apple, but the actual affected product is Google Chrome. The vulnerability was fixed in version 149.0.7827.53.

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 an inappropriate implementation in the Web Share feature of Google Chrome. This allows a remote attacker to leak cross-origin data by convincing a user to interact with a crafted HTML page.

Defensive priority

Medium

Recommended defensive actions

  • Update Google Chrome to version 149.0.7827.53 or later.
  • Be cautious when interacting with HTML pages from untrusted sources.

Evidence notes

The CVE was published on 2026-06-04 and modified on 2026-06-09. The vulnerability has a CVSS score of 6.5 and is classified as Medium severity.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-11128 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-11128

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

  • CVE-2026-11128 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-11128

    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.