Vulnerabilities (CVE)

Filtered by vendor Microsoft Subscribe
Filtered by product Windows Server 20h2
Total 52 CVE
CVE Vendors Products Updated CVSS v2 CVSS v3
CVE-2021-34527 1 Microsoft 17 Windows 10 1507, Windows 10 1607, Windows 10 1809 and 14 more 2025-03-13 9.0 HIGH 8.8 HIGH
<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>
CVE-2021-31166 1 Microsoft 4 Windows 10 2004, Windows 10 20h2, Windows Server 2004 and 1 more 2025-03-13 7.5 HIGH 9.8 CRITICAL
HTTP Protocol Stack Remote Code Execution Vulnerability
CVE-2021-28310 1 Microsoft 9 Windows 10 1803, Windows 10 1809, Windows 10 1909 and 6 more 2025-03-13 4.6 MEDIUM 7.8 HIGH
Win32k Elevation of Privilege Vulnerability
CVE-2021-40449 1 Microsoft 19 Windows 10 1507, Windows 10 1607, Windows 10 1809 and 16 more 2025-03-13 4.6 MEDIUM 7.8 HIGH
Win32k Elevation of Privilege Vulnerability
CVE-2021-42278 1 Microsoft 7 Windows Server 2004, Windows Server 2008, Windows Server 2012 and 4 more 2025-03-07 6.5 MEDIUM 7.5 HIGH
Active Directory Domain Services Elevation of Privilege Vulnerability
CVE-2021-31201 1 Microsoft 16 Windows 10 1507, Windows 10 1607, Windows 10 1809 and 13 more 2025-03-07 4.6 MEDIUM 5.2 MEDIUM
Microsoft Enhanced Cryptographic Provider Elevation of Privilege Vulnerability
CVE-2021-41357 1 Microsoft 7 Windows 10 2004, Windows 10 20h2, Windows 10 21h1 and 4 more 2025-03-07 4.6 MEDIUM 7.8 HIGH
Win32k Elevation of Privilege Vulnerability
CVE-2021-33739 1 Microsoft 6 Windows 10 1909, Windows 10 2004, Windows 10 20h2 and 3 more 2025-03-07 4.6 MEDIUM 8.4 HIGH
Microsoft DWM Core Library Elevation of Privilege Vulnerability
CVE-2021-33771 1 Microsoft 15 Windows 10 1507, Windows 10 1607, Windows 10 1809 and 12 more 2025-03-07 7.2 HIGH 7.8 HIGH
Windows Kernel Elevation of Privilege Vulnerability
CVE-2021-31956 1 Microsoft 17 Windows 10, Windows 10 1507, Windows 10 1607 and 14 more 2025-03-07 9.3 HIGH 7.8 HIGH
Windows NTFS Elevation of Privilege Vulnerability
CVE-2021-34484 1 Microsoft 16 Windows 10 1507, Windows 10 1607, Windows 10 1809 and 13 more 2025-03-07 4.6 MEDIUM 7.8 HIGH
Windows User Profile Service Elevation of Privilege Vulnerability
CVE-2021-40450 1 Microsoft 10 Windows 10 1809, Windows 10 1909, Windows 10 2004 and 7 more 2025-03-07 4.6 MEDIUM 7.8 HIGH
Win32k Elevation of Privilege Vulnerability
CVE-2021-31955 1 Microsoft 8 Windows 10 1809, Windows 10 1909, Windows 10 2004 and 5 more 2025-03-07 2.1 LOW 5.5 MEDIUM
Windows Kernel Information Disclosure Vulnerability
CVE-2022-21971 1 Microsoft 9 Windows 10 1809, Windows 10 1909, Windows 10 20h2 and 6 more 2025-02-24 9.3 HIGH 7.8 HIGH
Windows Runtime Remote Code Execution Vulnerability
CVE-2022-21999 1 Microsoft 17 Windows 10 1507, Windows 10 1607, Windows 10 1809 and 14 more 2025-02-24 4.6 MEDIUM 7.8 HIGH
Windows Print Spooler Elevation of Privilege Vulnerability
CVE-2022-26904 1 Microsoft 17 Windows 10 1507, Windows 10 1607, Windows 10 1809 and 14 more 2025-02-24 4.4 MEDIUM 7.0 HIGH
Windows User Profile Service Elevation of Privilege Vulnerability
CVE-2022-26925 1 Microsoft 17 Windows 10 1507, Windows 10 1607, Windows 10 1809 and 14 more 2025-02-24 4.3 MEDIUM 8.1 HIGH
Windows LSA Spoofing Vulnerability
CVE-2022-24521 1 Microsoft 17 Windows 10 1507, Windows 10 1607, Windows 10 1809 and 14 more 2025-02-24 4.6 MEDIUM 7.8 HIGH
Windows Common Log File System Driver Elevation of Privilege Vulnerability
CVE-2021-34486 1 Microsoft 8 Windows 10 1809, Windows 10 1909, Windows 10 2004 and 5 more 2025-02-24 4.6 MEDIUM 7.8 HIGH
Windows Event Tracing Elevation of Privilege Vulnerability
CVE-2021-41379 1 Microsoft 18 Windows 10 1507, Windows 10 1607, Windows 10 1809 and 15 more 2025-02-24 4.6 MEDIUM 5.5 MEDIUM
Windows Installer Elevation of Privilege Vulnerability