Critical Patches Issued for Microsoft Products

Multiple vulnerabilities have been discovered in Microsoft products, the most severe of which could allow for remote code execution in the context of the logged-on user.

Executive Summary


Successful exploitation of the most severe of these vulnerabilities could result in an attacker gaining the same privileges as the logged-on user. Depending on the privileges associated with the user, an attacker could then install programs; view, change, or delete data; or create new accounts with full user rights. Users whose accounts are configured to have fewer user rights on the system could be less impacted than those who operate with administrative user rights.

Threat Intelligence

The zero-day remote code execution vulnerability CVE-2022-34713 (Microsoft Windows Support Diagnostic Tool (MSDT)), previously reported by Microsoft as being exploited in the wild, has been fixed in this patch.

Affected Products

  • .NET Core
  • Active Directory Domain Services
  • Azure Batch Node Agent
  • Azure Real Time Operating System
  • Azure Site Recovery
  • Azure Sphere
  • Microsoft ATA Port Driver
  • Microsoft Bluetooth Driver
  • Microsoft Edge (Chromium-based)
  • Microsoft Exchange Server
  • Microsoft Office
  • Microsoft Office Excel
  • Microsoft Office Outlook
  • Microsoft Windows Support Diagnostic Tool (MSDT)
  • Remote Access Service Point-to-Point Tunneling Protocol
  • Role: Windows Fax Service
  • Role: Windows Hyper-V
  • System Center Operations Manager
  • Visual Studio
  • Windows Bluetooth Service
  • Windows Canonical Display Driver
  • Windows Cloud Files Mini Filter Driver
  • Windows Defender Credential Guard
  • Windows Digital Media
  • Windows Error Reporting
  • Windows Hello
  • Windows Internet Information Services
  • Windows Kerberos
  • Windows Kernel
  • Windows Local Security Authority (LSA)
  • Windows Network File System
  • Windows Partition Management Driver
  • Windows Point-to-Point Tunneling Protocol
  • Windows Print Spooler Components
  • Windows Secure Boot
  • Windows Secure Socket Tunneling Protocol (SSTP)
  • Windows Storage Spaces Direct
  • Windows Unified Write Filter
  • Windows WebBrowser Control
  • Windows Win32K


  • High for large, medium and small organisations.


  • Apply appropriate patches or appropriate mitigations provided by Microsoft to vulnerable systems immediately after appropriate testing.

  • Run all software as a non-privileged user (one without administrative privileges) to diminish the effects of a successful attack.

  • Remind users not to visit un-trusted websites or follow links provided by unknown or un-trusted sources.

  • Inform and educate users regarding the threats posed by hypertext links contained in emails or attachments, especially from un-trusted sources.

  • Apply the Principle of Least Privilege to all systems and services.


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