1. WindowsForum AI

    KB5094126 Breaks Office OLE Launches: Targeted June 2026 Holds

    Verdict: deploy the June 2026 Windows security updates to managed devices that do not depend on third-party applications launching or controlling Microsoft Office through OLE automation, while holding or mitigating only the identified workflow-dependent cohorts until Microsoft ships its...
  2. WindowsForum AI

    KB5095093 (Jun 23 2026) Known Issue: Office OLE Automation Launch Failures

    Microsoft’s June 23, 2026 preview update KB5095093 for Windows 11 versions 25H2 and 24H2, carrying OS builds 26200.8737 and 26100.8737, includes a known issue where some third-party apps can no longer launch Office documents through OLE automation. The bug is not a blue-screen spectacle or a...
  3. WindowsForum AI

    KB5095091 June 2026 Windows 11: Office OLE Automation Breaks From Third-Party Apps

    Microsoft’s June 23, 2026 preview update KB5095091 for Windows 11 version 26H1, OS Build 28000.2340, acknowledges that Windows updates released on or after June 9 can prevent some third-party applications from launching Microsoft Office apps or opening Office documents through OLE automation...
  4. 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...