Latest ArcGIS and Esri patches for version 12.1 from Simple Patch Finder. https://simplepatchfinder.ceddc.dev/?v=12.1 Mon, 12 Oct 2026 21:22:00 +0000 en-us https://simplepatchfinder.ceddc.dev/?pid=S-121-P-1553&pn=arcgis-server-security-2026-update-3-patch urn:simple-patch-finder:77c4eed99c018ed4b28e4f8a0a375f7158fd4be07a6673fe14c8feaae9e68594 Mon, 12 Oct 2026 00:00:00 +0000 Version: 12.1 | Criticality: Security | Release date: 10/12/2026 | Products: ArcGIS Enterprise, ArcGIS Server | Esri patch page: https://support.esri.com/en-us/patches-updates/2026/arcgis-server-security-2026-update-3-patch https://simplepatchfinder.ceddc.dev/?pid=ESDK-121-P-1528&pn=arcgis-enterprise-sdk-12-1-custom-data-feeds-patch urn:simple-patch-finder:f228794e4dcc08eecafb6e08282db602a121abe17191fc7953e9517de50b9468 Thu, 24 Sep 2026 00:00:00 +0000 Version: 12.1 | Release date: 09/24/2026 | Products: ArcGIS Enterprise | Esri patch page: https://support.esri.com/en-us/patches-updates/2026/arcgis-enterprise-sdk-12-1-custom-data-feeds-patch https://simplepatchfinder.ceddc.dev/?pid=PFA-121-P-1539&pn=portal-for-arcgis-security-2026-update-4-patch urn:simple-patch-finder:cab1d89de559316026747657131a2e0d2d78aa5aa7327d62605ca77061a8d956 Thu, 24 Sep 2026 00:00:00 +0000 Version: 12.1 | Criticality: Security | Release date: 09/24/2026 | Products: ArcGIS Enterprise, Portal for ArcGIS | Esri patch page: https://support.esri.com/en-us/patches-updates/2026/portal-for-arcgis-security-2026-update-4-patch https://simplepatchfinder.ceddc.dev/?pid=S-121-P-1529&pn=arcgis-server-12-1-custom-data-feeds-patch urn:simple-patch-finder:01a0fa720891394852829a129019272becdddf76da1f80ea922b55489d124dfe Mon, 14 Sep 2026 00:00:00 +0000 Version: 12.1 | Release date: 09/14/2026 | Products: ArcGIS Enterprise, ArcGIS Server | Esri patch page: https://support.esri.com/en-us/patches-updates/2026/arcgis-server-12-1-custom-data-feeds-patch https://simplepatchfinder.ceddc.dev/?pid=PFA-121-P-1498&pn=portal-for-arcgis-security-2026-update-3-patch urn:simple-patch-finder:06074b12ea8944d8136e60be12be67c5ecdd45a395de7884d82d6f7a911349ed Tue, 04 Aug 2026 00:00:00 +0000 Version: 12.1 | Criticality: Security | Release date: 08/04/2026 | Products: ArcGIS Enterprise, Portal for ArcGIS | Esri patch page: https://support.esri.com/en-us/patches-updates/2026/portal-for-arcgis-security-2026-update-3-patch https://simplepatchfinder.ceddc.dev/?pid=DS-121-P-1510&pn=arcgis-data-store-12-1-relational-store-upgrade-patch urn:simple-patch-finder:f96f3e094b09d3b1e2e5712e9a8b831015667aec3cb68836c67188fb9ea05672 Thu, 30 Jul 2026 00:00:00 +0000 Version: 12.1 | Release date: 07/30/2026 | Products: ArcGIS Data Store, ArcGIS Enterprise | Esri patch page: https://support.esri.com/en-us/patches-updates/2026/arcgis-data-store-12-1-relational-store-upgrade-patch https://simplepatchfinder.ceddc.dev/?pid=S-121-P-1492&pn=arcgis-server-12-1-analysis-tools-patch urn:simple-patch-finder:5d4d06be8a0cf91d1c8fccd5eacc22f42efb9777f123c7798d1c5dd4517483aa Thu, 09 Jul 2026 00:00:00 +0000 Version: 12.1 | Release date: 07/09/2026 | Products: ArcGIS Enterprise, ArcGIS Server | Esri patch page: https://support.esri.com/en-us/patches-updates/2026/arcgis-server-12-1-analysis-tools-patch https://simplepatchfinder.ceddc.dev/?pid=PFA-121-P-1490&pn=portal-for-arcgis-security-2026-update-2-patch urn:simple-patch-finder:f60aa9319fc5b135744b87773a84078a5954c8eab5ed877bb1e5f011307bdd20 Tue, 23 Jun 2026 00:00:00 +0000 Version: 12.1 | Criticality: Security | Release date: 06/23/2026 | Products: ArcGIS Enterprise, Portal for ArcGIS | Esri patch page: https://support.esri.com/en-us/patches-updates/2026/portal-for-arcgis-security-2026-update-2-patch