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CVE-2026-11169 Google CVE debrief

A vulnerability in Google Chrome, tracked as CVE-2026-11169, was publicly disclosed on 2026-06-04. This issue is related to an inappropriate implementation in XML, which could allow a remote attacker to inject arbitrary scripts or HTML, potentially leading to UXSS (Universal Cross-Site Scripting). The vulnerability has been categorized as Medium severity by the Chromium security team and has a CVSS score of 8.1, indicating a HIGH severity level.

Vendor
Google
Product
Chrome
CVSS
HIGH 8.1
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 their browser to the latest version to mitigate this vulnerability. This issue primarily affects Google Chrome users, as the vulnerability is within the browser's XML implementation.

Technical summary

The vulnerability, CVE-2026-11169, stems from an inappropriate implementation in XML in Google Chrome. This could allow a remote attacker to inject arbitrary scripts or HTML (UXSS) via a crafted XML file. The issue was addressed with the release of Google Chrome version 149.0.7827.53.

Defensive priority

High

Recommended defensive actions

  • Update Google Chrome to version 149.0.7827.53 or later to mitigate this vulnerability.

Evidence notes

The CVE was published on 2026-06-04 and modified on 2026-06-08. The vulnerability was reported to have a Medium severity level by the Chromium security team but has a CVSS score of 8.1, indicating a HIGH severity level.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-11169 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-11169

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

  • CVE-2026-11169 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-11169

    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.