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CVE-2026-11109 Google CVE debrief

CVE-2026-11109 is a Medium severity vulnerability in Google Chrome prior to 149.0.7827.53. This issue, described as an uninitialized use in ANGLE, allows a remote attacker to leak cross-origin data via a crafted HTML page. The vulnerability has a CVSS score of 6.5 and is categorized as CWE-457.

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. This issue is particularly concerning for users who frequently access HTML pages from untrusted sources, as a remote attacker could potentially exploit this vulnerability to leak cross-origin data.

Technical summary

The vulnerability is caused by an uninitialized use in ANGLE (Almost Native Graphics Layer Engine), a graphics library used by Google Chrome. This issue allows a remote attacker to leak cross-origin data via a crafted HTML page. The vulnerability has been assigned a CVSS score of 6.5, indicating a Medium severity level.

Defensive priority

Medium

Recommended defensive actions

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

Evidence notes

This CVE record was sourced from the official CVE.org database and the National Vulnerability Database (NVD).

Sources and references

Verified primary and authoritative sources

  • CVE-2026-11109 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-11109

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

  • CVE-2026-11109 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-11109

    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.