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CVE-2026-11166 Google CVE debrief

CVE-2026-11166 is a Medium severity vulnerability in Google Chrome prior to version 149.0.7827.53. This issue is related to an inappropriate implementation in SVG, which could allow a remote attacker to inject arbitrary scripts or HTML (UXSS) via a crafted HTML page. The vulnerability has a CVSS score of 6.8 and is classified as UXSS (Universal Cross-Site Scripting).

Vendor
Google
Product
Chrome
CVSS
MEDIUM 6.8
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 vulnerability is particularly relevant to users who frequently access web pages from untrusted sources, as it could be exploited through a crafted HTML page.

Technical summary

The vulnerability is caused by an inappropriate implementation in SVG in Google Chrome prior to version 149.0.7827.53. This could allow a remote attacker to inject arbitrary scripts or HTML (UXSS) via a crafted HTML page. The CVSS vector for this vulnerability is CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N.

Defensive priority

Medium

Recommended defensive actions

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

Evidence notes

This vulnerability was published on [cve-org](https://www.cve.org/CVERecord?id=CVE-2026-11166) and has additional details on [nvd](https://nvd.nist.gov/vuln/detail/CVE-2026-11166).

Sources and references

Verified primary and authoritative sources

  • CVE-2026-11166 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-11166

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

  • CVE-2026-11166 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-11166

    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.