Microsoft Windows Server 20h2

HTTP.sys Denial of Service Vulnerability

CVE-2022-35748 7.5 - High - May 31, 2023

HTTP.sys Denial of Service Vulnerability

Windows Digital Media Receiver Elevation of Privilege Vulnerability

CVE-2022-35749 7.8 - High - May 31, 2023

Windows Digital Media Receiver Elevation of Privilege Vulnerability

Windows Kernel Memory Information Disclosure Vulnerability

CVE-2022-35758 5.5 - Medium - May 31, 2023

Windows Kernel Memory Information Disclosure Vulnerability

Windows Point-to-Point Protocol (PPP) Remote Code Execution Vulnerability

CVE-2022-35744 9.8 - Critical - May 31, 2023

Windows Point-to-Point Protocol (PPP) Remote Code Execution Vulnerability

Win32k Elevation of Privilege Vulnerability

CVE-2022-35750 7.8 - High - May 31, 2023

Win32k Elevation of Privilege Vulnerability

Windows Hyper-V Elevation of Privilege Vulnerability

CVE-2022-35751 7.8 - High - May 31, 2023

Windows Hyper-V Elevation of Privilege Vulnerability

Windows Secure Socket Tunneling Protocol (SSTP) Remote Code Execution Vulnerability

CVE-2022-35752 8.1 - High - May 31, 2023

Windows Secure Socket Tunneling Protocol (SSTP) Remote Code Execution Vulnerability

Windows Secure Socket Tunneling Protocol (SSTP) Remote Code Execution Vulnerability

CVE-2022-35753 8.1 - High - May 31, 2023

Windows Secure Socket Tunneling Protocol (SSTP) Remote Code Execution Vulnerability

Unified Write Filter Elevation of Privilege Vulnerability

CVE-2022-35754 6.7 - Medium - May 31, 2023

Unified Write Filter Elevation of Privilege Vulnerability

Windows Print Spooler Elevation of Privilege Vulnerability

CVE-2022-35755 7.3 - High - May 31, 2023

Windows Print Spooler Elevation of Privilege Vulnerability

Windows Kerberos Elevation of Privilege Vulnerability

CVE-2022-35756 7.8 - High - May 31, 2023

Windows Kerberos Elevation of Privilege Vulnerability

Windows Cloud Files Mini Filter Driver Elevation of Privilege Vulnerability

CVE-2022-35757 7.3 - High - May 31, 2023

Windows Cloud Files Mini Filter Driver Elevation of Privilege Vulnerability

Windows Local Security Authority (LSA) Denial of Service Vulnerability

CVE-2022-35759 6.5 - Medium - May 31, 2023

Windows Local Security Authority (LSA) Denial of Service Vulnerability

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

CVE-2022-35743 7.8 - High - May 31, 2023

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

Code Injection

Windows Secure Socket Tunneling Protocol (SSTP) Remote Code Execution Vulnerability

CVE-2022-35745 8.1 - High - May 31, 2023

Windows Secure Socket Tunneling Protocol (SSTP) Remote Code Execution Vulnerability

Windows Digital Media Receiver Elevation of Privilege Vulnerability

CVE-2022-35746 7.8 - High - May 31, 2023

Windows Digital Media Receiver Elevation of Privilege Vulnerability

Windows Point-to-Point Protocol (PPP) Denial of Service Vulnerability

CVE-2022-35747 5.9 - Medium - May 31, 2023

Windows Point-to-Point Protocol (PPP) Denial of Service Vulnerability

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

CVE-2022-34713 7.8 - High - August 09, 2022

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

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

CVE-2022-22047 7.8 - High - July 12, 2022

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

Untrusted Path

A remote code execution vulnerability exists when MSDT is called using the URL protocol from a calling application such as Word

CVE-2022-30190 7.8 - High - June 01, 2022

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 attacker can then install programs, view, change, or delete data, or create new accounts in the context allowed by the users rights. Please see the MSRC Blog Entry for important information about steps you can take to protect your system from this vulnerability.

Externally Controlled Reference to a Resource in Another Sphere

Windows LSA Spoofing Vulnerability

CVE-2022-26925 5.9 - Medium - May 10, 2022

Windows LSA Spoofing Vulnerability

Missing Authentication for Critical Function

Windows Common Log File System Driver Elevation of Privilege Vulnerability

CVE-2022-24521 7.8 - High - April 15, 2022

Windows Common Log File System Driver Elevation of Privilege Vulnerability

Windows User Profile Service Elevation of Privilege Vulnerability

CVE-2022-26904 7 - High - April 15, 2022

Windows User Profile Service Elevation of Privilege Vulnerability

Race Condition

Windows Runtime Remote Code Execution Vulnerability

CVE-2022-21971 7.8 - High - February 09, 2022

Windows Runtime Remote Code Execution Vulnerability

Access of Uninitialized Pointer

Windows Print Spooler Elevation of Privilege Vulnerability

CVE-2022-22718 7.8 - High - February 09, 2022

Windows Print Spooler Elevation of Privilege Vulnerability

Windows Print Spooler Elevation of Privilege Vulnerability

CVE-2022-21999 7.8 - High - February 09, 2022

Windows Print Spooler Elevation of Privilege Vulnerability

Directory traversal

Win32k Elevation of Privilege Vulnerability

CVE-2022-21882 7.8 - High - January 11, 2022

Win32k Elevation of Privilege Vulnerability

Memory Corruption

Windows User Profile Service Elevation of Privilege Vulnerability

CVE-2022-21919 7 - High - January 11, 2022

Windows User Profile Service Elevation of Privilege Vulnerability

insecure temporary file

Windows Installer Elevation of Privilege Vulnerability

CVE-2021-41379 5.5 - Medium - November 10, 2021

Windows Installer Elevation of Privilege Vulnerability

insecure temporary file

Active Directory Domain Services Elevation of Privilege Vulnerability

CVE-2021-42278 7.5 - High - November 10, 2021

Active Directory Domain Services Elevation of Privilege Vulnerability

Win32k Elevation of Privilege Vulnerability

CVE-2021-40450 7.8 - High - October 13, 2021

Win32k Elevation of Privilege Vulnerability

Win32k Elevation of Privilege Vulnerability

CVE-2021-41357 7.8 - High - October 13, 2021

Win32k Elevation of Privilege Vulnerability

Win32k Elevation of Privilege Vulnerability

CVE-2021-40449 7.8 - High - October 13, 2021

Win32k Elevation of Privilege Vulnerability

Dangling pointer

Windows Common Log File System Driver Elevation of Privilege Vulnerability

CVE-2021-36955 7.8 - High - September 15, 2021

Windows Common Log File System Driver Elevation of Privilege Vulnerability

<p>Microsoft is investigating reports of a remote code execution vulnerability in MSHTML that affects Microsoft Windows

CVE-2021-40444 8.8 - High - September 15, 2021

<p>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.</p> <p>An attacker could craft a malicious ActiveX control to be used by a Microsoft Office document that hosts the browser rendering engine. The attacker would then have to convince the user to open the malicious document. Users whose accounts are configured to have fewer user rights on the system could be less impacted than users who operate with administrative user rights.</p> <p>Microsoft Defender Antivirus and Microsoft Defender for Endpoint both provide detection and protections for the known vulnerability. Customers should keep antimalware products up to date. Customers who utilize automatic updates do not need to take additional action. Enterprise customers who manage updates should select the detection build 1.349.22.0 or newer and deploy it across their environments. Microsoft Defender for Endpoint alerts will be displayed as: Suspicious Cpl File Execution.</p> <p>Upon completion of this investigation, Microsoft will take the appropriate action to help protect our customers. This may include providing a security update through our monthly release process or providing an out-of-cycle security update, depending on customer needs.</p> <p>Please see the <strong>Mitigations</strong> and <strong>Workaround</strong> sections for important information about steps you can take to protect your system from this vulnerability.</p> <p><strong>UPDATE</strong> September 14, 2021: Microsoft has released security updates to address this vulnerability. Please see the Security Updates table for the applicable update for your system. We recommend that you install these updates immediately. Please see the FAQ for important information about which updates are applicable to your system.</p>

Directory traversal

Windows Event Tracing Elevation of Privilege Vulnerability

CVE-2021-34486 7.8 - High - August 12, 2021

Windows Event Tracing Elevation of Privilege Vulnerability

Dangling pointer

Windows Update Medic Service Elevation of Privilege Vulnerability

CVE-2021-36948 7.8 - High - August 12, 2021

Windows Update Medic Service Elevation of Privilege Vulnerability

Windows LSA Spoofing Vulnerability

CVE-2021-36942 7.5 - High - August 12, 2021

Windows LSA Spoofing Vulnerability

Windows User Profile Service Elevation of Privilege Vulnerability

CVE-2021-34484 7.8 - High - August 12, 2021

Windows User Profile Service Elevation of Privilege Vulnerability

Windows Kernel Elevation of Privilege Vulnerability

CVE-2021-33771 7.8 - High - July 14, 2021

Windows Kernel Elevation of Privilege Vulnerability

Buffer Overflow

Windows Kernel Elevation of Privilege Vulnerability

CVE-2021-31979 7.8 - High - July 14, 2021

Windows Kernel Elevation of Privilege Vulnerability

Buffer Overflow

<p>A remote code execution vulnerability exists when the Windows Print Spooler service improperly performs privileged file operations

CVE-2021-34527 8.8 - High - July 02, 2021

<p>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 then install programs; view, change, or delete data; or create new accounts with full user rights.</p> <p>UPDATE July 7, 2021: The security update for Windows Server 2012, Windows Server 2016 and Windows 10, Version 1607 have been released. Please see the Security Updates table for the applicable update for your system. We recommend that you install these updates immediately. If you are unable to install these updates, see the FAQ and Workaround sections in this CVE for information on how to help protect your system from this vulnerability.</p> <p>In addition to installing the updates, in order to secure your system, you must confirm that the following registry settings are set to 0 (zero) or are not defined (<strong>Note</strong>: These registry keys do not exist by default, and therefore are already at the secure setting.), also that your Group Policy setting are correct (see FAQ):</p> <ul> <li>HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows NT\Printers\PointAndPrint</li> <li>NoWarningNoElevationOnInstall = 0 (DWORD) or not defined (default setting)</li> <li>UpdatePromptSettings = 0 (DWORD) or not defined (default setting)</li> </ul> <p><strong>Having NoWarningNoElevationOnInstall set to 1 makes your system vulnerable by design.</strong></p> <p>UPDATE July 6, 2021: Microsoft has completed the investigation and has released security updates to address this vulnerability. Please see the Security Updates table for the applicable update for your system. We recommend that you install these updates immediately. If you are unable to install these updates, see the FAQ and Workaround sections in this CVE for information on how to help protect your system from this vulnerability. See also <a href="https://support.microsoft.com/topic/31b91c02-05bc-4ada-a7ea-183b129578a7">KB5005010: Restricting installation of new printer drivers after applying the July 6, 2021 updates</a>.</p> <p>Note that the security updates released on and after July 6, 2021 contain protections for CVE-2021-1675 and the additional remote code execution exploit in the Windows Print Spooler service known as PrintNightmare, documented in CVE-2021-34527.</p>

Improper Privilege Management

Microsoft Enhanced Cryptographic Provider Elevation of Privilege Vulnerability

CVE-2021-31199 5.2 - Medium - June 08, 2021

Microsoft Enhanced Cryptographic Provider Elevation of Privilege Vulnerability

Microsoft DWM Core Library Elevation of Privilege Vulnerability

CVE-2021-33739 8.4 - High - June 08, 2021

Microsoft DWM Core Library Elevation of Privilege Vulnerability

Windows NTFS Elevation of Privilege Vulnerability

CVE-2021-31956 7.8 - High - June 08, 2021

Windows NTFS Elevation of Privilege Vulnerability

Integer underflow

Windows Kernel Information Disclosure Vulnerability

CVE-2021-31955 5.5 - Medium - June 08, 2021

Windows Kernel Information Disclosure Vulnerability

Microsoft Enhanced Cryptographic Provider Elevation of Privilege Vulnerability

CVE-2021-31201 5.2 - Medium - June 08, 2021

Microsoft Enhanced Cryptographic Provider Elevation of Privilege Vulnerability

HTTP Protocol Stack Remote Code Execution Vulnerability

CVE-2021-31166 9.8 - Critical - May 11, 2021

HTTP Protocol Stack Remote Code Execution Vulnerability

Dangling pointer

Win32k Elevation of Privilege Vulnerability

CVE-2021-28310 7.8 - High - April 13, 2021

Win32k Elevation of Privilege Vulnerability

Memory Corruption

Windows Win32k Elevation of Privilege Vulnerability

CVE-2021-1732 7.8 - High - February 25, 2021

Windows Win32k Elevation of Privilege Vulnerability

Memory Corruption