patch tuesday

Jul 2026

released 2026-07-14 · 6 reported regressions in the following 14 days

severity

top components

regressions

  • [BREAKS-PROD]
    Exchange

    Published calendar (.ics) returns HTTP 500 for calendar applications after September 2026 Exchange Server Security Updates, with no current resolution.

    12 reports · 3 admins · last seen 9/8/2026 · sources →

  • [BREAKS-PROD]
    OtherKB5095093, 25H2

    Specific Dell devices with an Intel driver experience poor performance after KB5095093 on Windows 11, version 24H2.

    2 reports · 1 admin · last seen 7/14/2026 · sources →

  • [BREAKS-PROD]
    Windows UpdateKB5095093, KB5121767

    Emergency update KB5121767 fixes a bug causing some Dell PCs to unexpectedly shut down after installing July 2026 Windows 11 security updates.

    2 reports · 2 admins · last seen 7/20/2026 · sources →

  • [WORKAROUND]
    Windows UpdateWindows 11, version 25H2

    WSUS synchronization operations might experience issues or time out due to a confirmed problem with Windows 11, version 25H2, with remediation efforts underway.

    1 report · 1 admin · last seen 7/17/2026 · sources →

  • [BREAKS-PROD]
    Windows UpdateWindows 11, version 24H2

    WSUS sync operations might have issues or time out with Windows 11, version 24H2, impacting update delivery.

    1 report · 1 admin · last seen 7/17/2026 · sources →

  • [WORKAROUND]
    Windows UpdateWindows 11 23H2

    WSUS synchronization operations are experiencing issues and timeouts on Windows 11, version 23H2. Remediation efforts are underway.

    1 report · 1 admin · last seen 7/17/2026 · sources →