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Microsoft Patch Tuesday, May 2026: the CVEs, page 2

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Microsoft Patch Tuesday May 2026: the CVEs Microsoft published on 12 May 2026, the second Tuesday of the month, with CVSS, EPSS, CISA KEV and public exploits to show what to patch first. Narrow it: in CISA KEV · critical. The same day: Adobe, SAP. Earlier: Apr 2026, Mar 2026, Feb 2026, Jan 2026, Dec 2025, Nov 2025, Oct 2025, Sep 2025, Aug 2025, Jul 2025, Jun 2025, May 2025. Other lists: CISA KEV list, CVE exploit search, Latest critical CVEs, Ransomware CVEs, New CVEs today, This week, Patch Tuesday

  1. 7.8CVE-2026-34333EPSS 0.3%

    Use after free in Windows Win32K - GRFX allows an authorized attacker to elevate privileges locally.

  2. 8.0CVE-2026-34332EPSS 0.5%

    Use after free in Windows Kernel-Mode Drivers allows an authorized attacker to execute code over a network.

  3. 7.0CVE-2026-34331EPSS 0.2%

    Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Win32K - GRFX allows an authorized attacker to elevate privileges locally.

  4. 7.8CVE-2026-34330EPSS 0.3%

    Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Win32K - GRFX allows an authorized attacker to elevate privileges locally.

  5. 8.8CVE-2026-34329EPSS 0.5%

    Heap-based buffer overflow in Windows Message Queuing allows an unauthorized attacker to execute code over an adjacent network.

  6. 7.8CVE-2026-33841EPSS 0.3%

    Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges locally.

  7. 7.8CVE-2026-33840EPSS 2.0%

    Use after free in Windows Win32K - ICOMP allows an authorized attacker to elevate privileges locally.

  8. 7.0CVE-2026-33839EPSS 0.2%

    Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Win32K - GRFX allows an authorized attacker to elevate privileges locally.

  9. 7.8CVE-2026-33838EPSS 0.4%

    Double free in Windows Message Queuing allows an authorized attacker to elevate privileges locally.

  10. 7.8CVE-2026-33837EPSS 1.8%

    Heap-based buffer overflow in Windows TCP/IP allows an authorized attacker to elevate privileges locally.

  11. 7.8CVE-2026-33835EPSS 2.1%

    Use after free in Windows Cloud Files Mini Filter Driver allows an authorized attacker to elevate privileges locally.

  12. 7.8CVE-2026-33834EPSS 0.3%

    Improper access control in Windows Event Logging Service allows an authorized attacker to elevate privileges locally.

  13. 8.2CVE-2026-33833EPSS 0.5%

    Improper neutralization of special elements in output used by a downstream component ('injection') in Azure Machine Learning allows an unauthorized attacker to perform spoofing over a network.

  14. 9.9CVE-2026-33821EPSS 0.7%

    Improper privilege management in Microsoft Dynamics 365 Customer Insights allows an authorized attacker to elevate privileges over a network.

  15. 9.1CVE-2026-33117EPSS 0.5%

    The Java Key Vault Keys library in the Azure SDK for Java contains an issue in the local cryptographic verification path where authentication tag comparison was implemented incorrectly. In affected applications that use the vulnerable loca…

  16. 8.8CVE-2026-33112EPSS 31%

    Deserialization of untrusted data in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.

  17. 8.8CVE-2026-33110EPSS 2.0%

    Deserialization of untrusted data in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.

  18. 4.4CVE-2026-32209EPSS 0.2%

    Improper access control in Windows Filtering Platform (WFP) allows an authorized attacker to bypass a security feature locally.

  19. 7.8CVE-2026-32204EPSS 0.3%

    External control of file name or path in Azure Monitor Agent allows an authorized attacker to elevate privileges locally.

  20. 5.5CVE-2026-32185EPSS 0.5%

    Files or directories accessible to external parties in Microsoft Teams allows an unauthorized attacker to perform spoofing locally.

  21. 7.3CVE-2026-32177EPSS 0.6%

    Heap-based buffer overflow in .NET allows an unauthorized attacker to elevate privileges locally.

  22. 4.3CVE-2026-32175EPSS 0.7%

    A tampering vulnerability exists when .NET Core improperly handles specially crafted files. An attacker who successfully exploited this vulnerability could write arbitrary files and directories to certain locations on a vulnerable system. …

  23. 6.7CVE-2026-32170EPSS 0.3%

    Double free in Windows Rich Text Edit allows an authorized attacker to elevate privileges locally.

  24. 7.5CVE-2026-32161EPSS 0.3%

    Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Native WiFi Miniport Driver allows an unauthorized attacker to execute code over an adjacent network.

  25. 6.7CVE-2026-21530EPSS 0.3%

    Double free in Windows Rich Text Edit allows an authorized attacker to elevate privileges locally.