https://community.esri.com/t5/python-questions/python-2-7-patch-for-arcmap-10-8-1/m-p/1623092#M74364 <P>We still have our ArcMap environment (78 installs) alive for some legacy projects to complete.&nbsp; The Python 2.7 has just been upgraded to Level 5 Critical on our Vulnerability scans (<SPAN>CVE-2021-3177).&nbsp; I understand ArcMap is no longer supported but asking if a patch to say 3.9.2 for Python will break ArcMap?<BR /><BR /><BR /></SPAN></P> Thu, 12 Jun 2025 15:55:38 GMT EricJohnson-HDR 2025-06-12T15:55:38Z https://community.esri.com/t5/python-questions/python-2-7-patch-for-arcmap-10-8-1/m-p/1623092#M74364 <P>We still have our ArcMap environment (78 installs) alive for some legacy projects to complete.&nbsp; The Python 2.7 has just been upgraded to Level 5 Critical on our Vulnerability scans (<SPAN>CVE-2021-3177).&nbsp; I understand ArcMap is no longer supported but asking if a patch to say 3.9.2 for Python will break ArcMap?<BR /><BR /><BR /></SPAN></P> Thu, 12 Jun 2025 15:55:38 GMT https://community.esri.com/t5/python-questions/python-2-7-patch-for-arcmap-10-8-1/m-p/1623092#M74364 EricJohnson-HDR 2025-06-12T15:55:38Z https://community.esri.com/t5/python-questions/python-2-7-patch-for-arcmap-10-8-1/m-p/1623094#M74365 <P>It will break arcmap.&nbsp;&nbsp;</P><P><A href="https://support.esri.com/en-us/knowledge-base/faq-what-version-of-python-is-used-in-arcgis-000013224" target="_blank">FAQ: What Version of Python is Used in ArcGIS?</A></P><P><A href="https://desktop.arcgis.com/en/arcmap/latest/get-started/installation-guide/python-requirement.htm" target="_blank">Python Requirement—ArcMap | Documentation</A></P> Thu, 12 Jun 2025 15:59:51 GMT https://community.esri.com/t5/python-questions/python-2-7-patch-for-arcmap-10-8-1/m-p/1623094#M74365 DanPatterson 2025-06-12T15:59:51Z