Windows Server version 20H2 vulnerabilities

40 known vulnerabilities in Windows Server version 20H2 from Microsoft. 34 are rated high or critical, and 39 have been exploited in real attacks. Each entry lists the affected versions and the release that fixes it, where the vendor has published one.

Latest first

• 7.8 High severity

  Microsoft Windows Support Diagnostic Tool (MSDT) Remote Code Execution Exploited

  CVE-2022-34713Aug 9, 2022MicrosoftEPSS 67.8%

  Microsoft Windows Support Diagnostic Tool (MSDT) Remote Code Execution Vulnerability

• 7.2 High severity

  Microsoft Windows Client Server Runtime Subsystem (CSRSS) Privilege Escalation Exploited

  CVE-2022-22047Jul 12, 2022MicrosoftEPSS 18.3%

  Windows Client Server Run-time Subsystem (CSRSS) Elevation of Privilege Vulnerability

• 7.5 High severity

  Windows 10 Version 20H2: NULL Pointer Dereference

  CVE-2022-32230Jun 14, 2022MicrosoftEPSS 7.93%

  Microsoft Windows SMBv3 suffers from a null pointer dereference in versions of Windows prior to the April, 2022 patch set. By sending a malformed FileNormalizedNameInformation SMBv3 request over a named pipe, an attacker can cause a Blue Screen of Death (BSOD)

• 7.8 High severity

  Microsoft Windows Support Diagnostic Tool (MSDT) Remote Code Execution Exploited

  CVE-2022-30190Jun 1, 2022MicrosoftEPSS 98.5%

  A remote code execution vulnerability exists when MSDT is called using the URL protocol from a calling application such as Word. An attacker who successfully exploits this vulnerability can run arbitrary code with the privileges of the calling application. The

• 5.9 Medium severity

  Microsoft Windows LSA Spoofing Exploited

  CVE-2022-26925May 10, 2022MicrosoftEPSS 10.5%

  Windows LSA Spoofing Vulnerability

• 9.0 High severity

  Microsoft Active Directory Domain Services Privilege Escalation Exploited

  CVE-2022-26923May 10, 2022MicrosoftEPSS 83.5%

  Active Directory Domain Services Elevation of Privilege Vulnerability

• 4.4 Medium severity

  Microsoft Windows User Profile Service Privilege Escalation Exploited

  CVE-2022-26904Apr 15, 2022MicrosoftEPSS 16.9%

  Windows User Profile Service Elevation of Privilege Vulnerability

• 4.6 Medium severity

  Microsoft Windows CLFS Driver Privilege Escalation Exploited

  CVE-2022-24521Apr 15, 2022MicrosoftEPSS 7.13%

  Windows Common Log File System Driver Elevation of Privilege Vulnerability

• 7.2 High severity

  Microsoft Windows Print Spooler Privilege Escalation Exploited

  CVE-2022-22718Feb 9, 2022MicrosoftEPSS 18.5%

  Windows Print Spooler Elevation of Privilege Vulnerability

• 4.6 Medium severity

  Microsoft Windows Print Spooler Privilege Escalation Exploited

  CVE-2022-21999Feb 9, 2022MicrosoftEPSS 41%

  Windows Print Spooler Elevation of Privilege Vulnerability

• 9.3 High severity

  Microsoft Windows Runtime Remote Code Execution Exploited

  CVE-2022-21971Feb 9, 2022MicrosoftEPSS 53.9%

  Windows Runtime Remote Code Execution Vulnerability

• 6.9 Medium severity

  Microsoft Windows User Profile Service Privilege Escalation Exploited

  CVE-2022-21919Jan 11, 2022MicrosoftEPSS 2.57%

  Windows User Profile Service Elevation of Privilege Vulnerability

• 7.8 High severity

  Microsoft Win32k Privilege Escalation Exploited

  CVE-2022-21882Jan 11, 2022MicrosoftEPSS 59.2%

  Win32k Elevation of Privilege Vulnerability

• 7.8 High severity

  Microsoft Windows Privilege Escalation Exploited

  CVE-2021-43226Dec 15, 2021MicrosoftEPSS 3.28%

  Windows Common Log File System Driver Elevation of Privilege Vulnerability

• 8.8 High severity

  Microsoft Active Directory Domain Services Privilege Escalation Exploited

  CVE-2021-42287Nov 10, 2021MicrosoftEPSS 77.2%

  Active Directory Domain Services Elevation of Privilege Vulnerability

• 7.5 High severity

  Microsoft Active Directory Domain Services Privilege Escalation Exploited

  CVE-2021-42278Nov 10, 2021MicrosoftEPSS 73.3%

  Active Directory Domain Services Elevation of Privilege Vulnerability

• 7.8 High severity

  Microsoft Windows Installer Privilege Escalation Exploited

  CVE-2021-41379Nov 10, 2021MicrosoftEPSS 19.5%

  Windows Installer Elevation of Privilege Vulnerability

• 7.8 High severity

  Microsoft Win32k Privilege Escalation Exploited

  CVE-2021-41357Oct 13, 2021MicrosoftEPSS 1.52%

  Win32k Elevation of Privilege Vulnerability

• 7.8 High severity

  Microsoft Win32k Privilege Escalation Exploited

  CVE-2021-40450Oct 13, 2021MicrosoftEPSS 1.52%

  Win32k Elevation of Privilege Vulnerability

• 7.8 High severity

  Microsoft Windows Win32k Privilege Escalation Exploited

  CVE-2021-40449Oct 13, 2021MicrosoftEPSS 81.9%

  Win32k Elevation of Privilege Vulnerability

• 7.8 High severity

  Microsoft MSHTML Remote Code Execution Exploited

  CVE-2021-40444Sep 15, 2021MicrosoftEPSS 97.8%

  Microsoft is investigating reports of a remote code execution vulnerability in MSHTML that affects Microsoft Windows. Microsoft is aware of targeted attacks that attempt to exploit this vulnerability by using specially-crafted Microsoft Office documents. An at

• 7.8 High severity

  Microsoft Windows Common Log File System (CLFS) Driver Privilege Escalation Exploited

  CVE-2021-36955Sep 15, 2021MicrosoftEPSS 4.07%

  Windows Common Log File System Driver Elevation of Privilege Vulnerability

• 7.8 High severity

  Microsoft Windows Update Medic Service Privilege Escalation Exploited

  CVE-2021-36948Aug 12, 2021MicrosoftEPSS 23.3%

  Windows Update Medic Service Elevation of Privilege Vulnerability

• 7.5 High severity

  Microsoft Windows Local Security Authority (LSA) Spoofing Exploited

  CVE-2021-36942Aug 12, 2021MicrosoftEPSS 66%

  Windows LSA Spoofing Vulnerability

• 7.8 High severity

  Microsoft Windows Event Tracing Privilege Escalation Exploited

  CVE-2021-34486Aug 12, 2021MicrosoftEPSS 9.33%

  Windows Event Tracing Elevation of Privilege Vulnerability

• 7.8 High severity

  Microsoft Windows User Profile Service Privilege Escalation Exploited

  CVE-2021-34484Aug 12, 2021MicrosoftEPSS 21.8%

  Windows User Profile Service Elevation of Privilege Vulnerability

• 7.8 High severity

  Microsoft Windows Kernel Privilege Escalation Exploited

  CVE-2021-33771Jul 14, 2021MicrosoftEPSS 10.2%

  Windows Kernel Elevation of Privilege Vulnerability

• 7.8 High severity

  Microsoft Windows Kernel Privilege Escalation Exploited

  CVE-2021-31979Jul 14, 2021MicrosoftEPSS 4.54%

  Windows Kernel Elevation of Privilege Vulnerability

• 8.8 High severity

  Microsoft Windows Print Spooler Remote Code Execution Exploited

  CVE-2021-34527Jul 2, 2021MicrosoftEPSS 99.8%

  A remote code execution vulnerability exists when the Windows Print Spooler service improperly performs privileged file operations. An attacker who successfully exploited this vulnerability could run arbitrary code with SYSTEM privileges. An attacker could the

• 7.8 High severity

  Microsoft Desktop Window Manager (DWM) Core Library Privilege Escalation Exploited

  CVE-2021-33739Jun 8, 2021MicrosoftEPSS 6.61%

  Microsoft DWM Core Library Elevation of Privilege Vulnerability

• 7.8 High severity

  Microsoft Windows NTFS Privilege Escalation Exploited

  CVE-2021-31956Jun 8, 2021MicrosoftEPSS 22.3%

  Windows NTFS Elevation of Privilege Vulnerability

• 5.5 Medium severity

  Microsoft Windows Kernel Information Disclosure Exploited

  CVE-2021-31955Jun 8, 2021MicrosoftEPSS 81.1%

  Windows Kernel Information Disclosure Vulnerability

• 7.8 High severity

  Microsoft Enhanced Cryptographic Provider Privilege Escalation Exploited

  CVE-2021-31201Jun 8, 2021MicrosoftEPSS 2.62%

  Microsoft Enhanced Cryptographic Provider Elevation of Privilege Vulnerability

• 7.8 High severity

  Microsoft Enhanced Cryptographic Provider Privilege Escalation Exploited

  CVE-2021-31199Jun 8, 2021MicrosoftEPSS 2.98%

  Microsoft Enhanced Cryptographic Provider Elevation of Privilege Vulnerability

• 7.8 High severity

  Microsoft Windows Print Spooler Remote Code Execution Exploited

  CVE-2021-1675Jun 8, 2021MicrosoftEPSS 85.3%

  Windows Print Spooler Remote Code Execution Vulnerability

• 9.8 Critical severity

  Microsoft HTTP Protocol Stack Remote Code Execution Exploited

  CVE-2021-31166May 11, 2021MicrosoftEPSS 99.9%

  HTTP Protocol Stack Remote Code Execution Vulnerability

• 7.8 High severity

  Microsoft Win32k Privilege Escalation Exploited

  CVE-2021-28310Apr 13, 2021MicrosoftEPSS 8.4%

  Win32k Elevation of Privilege Vulnerability

• 7.8 High severity

  Microsoft Win32k Privilege Escalation Exploited

  CVE-2021-1732Feb 25, 2021MicrosoftEPSS 78.4%

  Windows Win32k Elevation of Privilege Vulnerability

• 7.8 High severity

  Microsoft Windows Kernel Privilege Escalation Exploited

  CVE-2020-17087Nov 11, 2020MicrosoftEPSS 5.43%

  Windows Kernel Local Elevation of Privilege Vulnerability

• 10.0 Critical severity

  Microsoft Netlogon Privilege Escalation Exploited

  CVE-2020-1472Aug 17, 2020MicrosoftEPSS 99.4%

  An elevation of privilege vulnerability exists when an attacker establishes a vulnerable Netlogon secure channel connection to a domain controller, using the Netlogon Remote Protocol (MS-NRPC). An attacker who successfully exploited the vulnerability could run