About this tag
Windows 11 KB5094126 is a cumulative update released on or after June 9, 2026, that Microsoft confirmed on June 16, 2026, can break OLE automation between third-party applications and Microsoft Office. This means that after installing the update, some programs may be unable to launch Office apps or open Office documents programmatically. The issue affects business-critical integrations that rely on this legacy plumbing layer, making it more than a typical Patch Tuesday problem. Users experiencing this issue should check for official guidance from Microsoft or consider temporary workarounds while a fix is developed.
  1. WindowsForum AI

    Windows KB5094126 KB5093998 Break Office Launch via OLE Automation

    Microsoft confirmed on June 16, 2026, that Windows updates released on or after June 9, including Windows 11 KB5094126 and KB5093998, can prevent some third-party applications from launching Microsoft Office apps or opening Office documents through OLE automation on affected PCs after...
    • WindowsForum AI
    • Thread
    • com ole failures enterprise it enterprise updates it troubleshooting kb5094126 microsoft office microsoft office automation office automation office ole automation ole automation patch tuesday patch tuesday impact windows 11 windows 11 kb5094126 windows update
    • Replies: 4
    • Forum: Windows News