Esri security advisory (AV26-1088)

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        <div><p><strong>Serial number: </strong>AV26-1088<br /><strong>Date: </strong>October 27, 2026</p>

As of October 26, 2026, Esri is affected by vulnerabilities in the following product:

  • ArcGIS Server
    • Prior to 12.1

The Cyber Centre encourages users and administrators to review the provided web links and apply any necessary updates as they become available.

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Article Link: Esri security advisory (AV26-1088) - Canadian Centre for Cyber Security