Simple Patch Finder - Security and Critical RSS - 12.1 Latest security and critical patches for version 12.1 from Simple Patch Finder. https://simplepatchfinder.ceddc.dev/?v=12.1 Mon, 31 Aug 2026 21:20:15 +0000 en-us Portal for ArcGIS Security 2026 Update 3 Patch (PFA-121-P-1498) 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 Portal for ArcGIS Security 2026 Update 2 Patch (PFA-121-P-1490) 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