Vendor

Microsoft

14,257 known vulnerabilities.

Products

Windows Server 2019 6,362 Windows Server 2019 (Server Core installation) 6,265 Windows 10 Version 1809 5,907 Windows Server 2022 5,762 Windows Server 2016 5,572 Windows Server 2016 (Server Core installation) 5,368 Windows 10 Version 21H2 5,141 Windows 10 Version 1607 4,987 Windows 10 Version 22H2 4,643 Windows Server 2025 4,336 Windows Server 2025 (Server Core installation) 4,334 Windows 11 Version 24H2 4,232 Windows Server 2012 R2 4,119 Windows 11 version 23H2 4,056 Windows Server 2012 R2 (Server Core installation) 3,974 Windows Server 2012 3,881 Windows Server 2012 (Server Core installation) 3,748 Windows 11 Version 25H2 3,497 Windows 11 version 26H1 3,230 Windows 10 Version 1507 2,323 Windows Server 2008 R2 Service Pack 1 1,900 Windows Server 2008 R2 Service Pack 1 (Server Core installation) 1,886 Windows 11 version 22H2 1,776 Windows Server 2022, 23H2 Edition (Server Core installation) 1,723 Windows Server 2008 Service Pack 2 1,694 Windows Server 2008 Service Pack 2 (Server Core installation) 1,689 Windows 11 Version 26H2 1,663 Windows 11 version 21H2 1,560 Windows 11 version 22H3 1,276 Windows 10 Version 20H2 1,259 Windows 8.1 1,117 Microsoft 365 Apps for Enterprise 1,105 Windows 10 Version 1903 for x64-based Systems 1,069 Windows Server, version 1903 (Server Core installation) 1,055 Windows 10 Version 1909 1,045 Windows 10 Version 1903 for ARM64-based Systems 1,037 Windows 10 Version 1903 for 32-bit Systems 1,034 Windows Server, version 1909 (Server Core installation) 989 Windows Server version 20H2 965 Microsoft Office LTSC 2021 953

All Critical High Medium Low Exploited only Public exploit

8,209 results · Clear filters · Feed

High 7.8

CVE-2021-43240

NTFS Set Short Name Elevation of Privilege Vulnerability

NTFS Set Short Name Elevation of Privilege Vulnerability

Microsoft Windows Server 2022 Windows 10 Version 21H2 Windows 11 version 21H2 Windows

Dec 15, 2021
High 7.8

CVE-2021-43238

Windows Remote Access Elevation of Privilege Vulnerability

Windows Remote Access Elevation of Privilege Vulnerability

Microsoft Windows Server 2019 Windows Server 2019 (Server Core installation) Windows 10 Version 1809 Windows

Dec 15, 2021
High 7.8

CVE-2021-43237

Windows Setup Elevation of Privilege Vulnerability

Windows Setup Elevation of Privilege Vulnerability

Microsoft Windows Server 2022 Windows 10 Version 21H2 Windows 11 version 21H2 Windows

Dec 15, 2021
High 7.5

CVE-2021-43236

Microsoft Message Queuing Information Disclosure Vulnerability

Microsoft Message Queuing Information Disclosure Vulnerability

Microsoft Windows Server 2019 Windows Server 2019 (Server Core installation) Windows 10 Version 1809 Windows

Dec 15, 2021
High 7.8

CVE-2021-43234

Windows Fax Service Remote Code Execution Vulnerability

Windows Fax Service Remote Code Execution Vulnerability

Microsoft Windows Server 2019 Windows Server 2019 (Server Core installation) Windows 10 Version 1809 Windows

Dec 15, 2021
High 7.5

CVE-2021-43233

Remote Desktop Client Remote Code Execution Vulnerability

Remote Desktop Client Remote Code Execution Vulnerability

Microsoft Windows Server 2019 Windows Server 2019 (Server Core installation) Windows 10 Version 1809 Windows

Dec 15, 2021
High 7.8

CVE-2021-43231

Windows NTFS Elevation of Privilege Vulnerability

Windows NTFS Elevation of Privilege Vulnerability

Microsoft Windows Server 2019 Windows Server 2019 (Server Core installation) Windows 10 Version 1809 Windows

Dec 15, 2021
High 7.8

CVE-2021-43232

Windows Event Tracing Remote Code Execution Vulnerability

Windows Event Tracing Remote Code Execution Vulnerability

Microsoft Windows Server 2019 Windows Server 2019 (Server Core installation) Windows 10 Version 1809 Windows

Dec 15, 2021
High 7.8

CVE-2021-43230

Windows NTFS Elevation of Privilege Vulnerability

Windows NTFS Elevation of Privilege Vulnerability

Microsoft Windows Server 2019 Windows Server 2019 (Server Core installation) Windows 10 Version 1809 Windows

Dec 15, 2021
High 7.8

CVE-2021-43229 Public exploit

Windows NTFS Elevation of Privilege Vulnerability

Windows NTFS Elevation of Privilege Vulnerability

Microsoft Windows Server 2019 Windows Server 2019 (Server Core installation) Windows 10 Version 1809 Windows

Dec 15, 2021
High 7.5

CVE-2021-43228

SymCrypt Denial of Service Vulnerability

SymCrypt Denial of Service Vulnerability

Microsoft Windows Server 2019 Windows Server 2019 (Server Core installation) Windows 10 Version 1809 Windows

Dec 15, 2021
High 7.8

CVE-2021-43226 Exploited · Ransomware Public exploit

Windows Common Log File System Driver Elevation of Privilege Vulnerability

Windows Common Log File System Driver Elevation of Privilege Vulnerability

Microsoft Windows Server 2019 Windows Server 2019 (Server Core installation) Windows 10 Version 1809 Windows

Dec 15, 2021
KEV Oct 6, 2025
High 7.5

CVE-2021-43225

Bot Framework SDK Remote Code Execution Vulnerability

Bot Framework SDK Remote Code Execution Vulnerability

Microsoft Bot Framework SDK for .NET Framework

Dec 15, 2021
High 7.8

CVE-2021-43223

Windows Remote Access Connection Manager Elevation of Privilege Vulnerability

Windows Remote Access Connection Manager Elevation of Privilege Vulnerability

Microsoft Windows Server 2019 Windows Server 2019 (Server Core installation) Windows 10 Version 1809 Windows

Dec 15, 2021
High 7.5

CVE-2021-43222

Microsoft Message Queuing Information Disclosure Vulnerability

Microsoft Message Queuing Information Disclosure Vulnerability

Microsoft Windows Server 2019 Windows Server 2019 (Server Core installation) Windows 10 Version 1809 Windows

Dec 15, 2021
High 7.4

CVE-2021-43219

DirectX Graphics Kernel File Denial of Service Vulnerability

DirectX Graphics Kernel File Denial of Service Vulnerability

Microsoft Windows Server 2019 Windows Server 2019 (Server Core installation) Windows 10 Version 1809 Windows

Dec 15, 2021
High 8.1

CVE-2021-43217 Public exploit

Windows Encrypting File System (EFS) Remote Code Execution Vulnerability

Windows Encrypting File System (EFS) Remote Code Execution Vulnerability

Microsoft Windows Server 2019 Windows Server 2019 (Server Core installation) Windows 10 Version 1809 Windows

Dec 15, 2021
High 7.8

CVE-2021-43214

Web Media Extensions Remote Code Execution Vulnerability

Web Media Extensions Remote Code Execution Vulnerability

Microsoft Raw Image Extension

Dec 15, 2021
High 7.8

CVE-2021-43207

Windows Common Log File System Driver Elevation of Privilege Vulnerability

Windows Common Log File System Driver Elevation of Privilege Vulnerability

Microsoft Windows Server 2019 Windows Server 2019 (Server Core installation) Windows 10 Version 1809 Windows

Dec 15, 2021
High 8.0

CVE-2021-42320

Microsoft SharePoint Server Spoofing Vulnerability

Microsoft SharePoint Server Spoofing Vulnerability

Microsoft Microsoft SharePoint Server 2019 Microsoft SharePoint Enterprise Server 2016 Microsoft SharePoint Server Subscription Edition

Dec 15, 2021
High 8.8

CVE-2021-42315

Microsoft Defender for IoT Remote Code Execution Vulnerability

Microsoft Defender for IoT Remote Code Execution Vulnerability

Microsoft Microsoft Defender for IoT

Dec 15, 2021
High 8.8

CVE-2021-42314

Microsoft Defender for IoT Remote Code Execution Vulnerability

Microsoft Defender for IoT Remote Code Execution Vulnerability

Microsoft Microsoft Defender for IoT

Dec 15, 2021
High 7.8

CVE-2021-42312

Microsoft Defender for IoT Elevation of Privilege Vulnerability

Microsoft Defender for IoT Elevation of Privilege Vulnerability

Microsoft Microsoft Defender for IoT

Dec 15, 2021
High 8.1

CVE-2021-42310

Microsoft Defender for IoT Remote Code Execution Vulnerability

Microsoft Defender for IoT Remote Code Execution Vulnerability

Microsoft Microsoft Defender for IoT

Dec 15, 2021
High 8.8

CVE-2021-42309

Microsoft SharePoint Server Remote Code Execution Vulnerability

Microsoft SharePoint Server Remote Code Execution Vulnerability

Microsoft Microsoft SharePoint Server 2019 Microsoft SharePoint Enterprise Server 2016 Microsoft SharePoint Server Subscription Edition

Dec 15, 2021
High 7.2

CVE-2021-42294

Microsoft SharePoint Server Remote Code Execution Vulnerability

Microsoft SharePoint Server Remote Code Execution Vulnerability

Microsoft Microsoft SharePoint Server 2019 Microsoft SharePoint Enterprise Server 2016 Microsoft SharePoint Server Subscription Edition

Dec 15, 2021
High 8.8

CVE-2021-41365

Microsoft Defender for IoT Remote Code Execution Vulnerability

Microsoft Defender for IoT Remote Code Execution Vulnerability

Microsoft Microsoft Defender for IoT

Dec 15, 2021
High 7.8

CVE-2021-41360

HEVC Video Extensions Remote Code Execution Vulnerability

HEVC Video Extensions Remote Code Execution Vulnerability

Microsoft HEVC Video Extensions

Dec 15, 2021
High 7.8

CVE-2021-40453

HEVC Video Extensions Remote Code Execution Vulnerability

HEVC Video Extensions Remote Code Execution Vulnerability

Microsoft HEVC Video Extensions

Dec 15, 2021
High 7.8

CVE-2021-41333

Windows Print Spooler Elevation of Privilege Vulnerability

Windows Print Spooler Elevation of Privilege Vulnerability

Microsoft Windows Server 2019 Windows Server 2019 (Server Core installation) Windows 10 Version 1809 Windows

Dec 15, 2021
High 7.8

CVE-2021-40452

HEVC Video Extensions Remote Code Execution Vulnerability

HEVC Video Extensions Remote Code Execution Vulnerability

Microsoft HEVC Video Extensions

Dec 15, 2021
High 7.8

CVE-2021-40441

Windows Media Center Elevation of Privilege Vulnerability

Windows Media Center Elevation of Privilege Vulnerability

Microsoft Windows Server 2012 R2 Windows Server 2012 R2 (Server Core installation) Windows Server 2012 Windows

Dec 15, 2021
High 8.1

CVE-2021-42306

Azure Active Directory Information Disclosure Vulnerability

An information disclosure vulnerability manifests when a user or an application uploads unprotected private key data as part of an authentication certificate keyCredential  on an Azure AD Application or Service Principal (which is not recommended). This vulne…

Microsoft Azure Active Directory Azure Automation Azure Migrate

Nov 24, 2021
High 7.8

CVE-2021-43209

3D Viewer Remote Code Execution Vulnerability

3D Viewer Remote Code Execution Vulnerability

Microsoft 3D Viewer

Nov 10, 2021
High 7.8

CVE-2021-43208

3D Viewer Remote Code Execution Vulnerability

3D Viewer Remote Code Execution Vulnerability

Microsoft 3D Viewer

Nov 10, 2021
High 7.8

CVE-2021-42322

Visual Studio Code Elevation of Privilege Vulnerability

Visual Studio Code Elevation of Privilege Vulnerability

Microsoft Visual Studio Code

Nov 10, 2021
High 8.8

CVE-2021-42321 Exploited · Ransomware Public exploit EPSS 92%

Microsoft Exchange Server Remote Code Execution Vulnerability

Microsoft Exchange Server Remote Code Execution Vulnerability

Microsoft Microsoft Exchange Server 2019 Cumulative Update 11 Microsoft Exchange Server 2016 Cumulative Update 22 Microsoft Exchange Server 2019 Cumulative Update 10

Nov 10, 2021
KEV Nov 17, 2021
High 8.8

CVE-2021-42316

Microsoft Dynamics 365 On-Premises Remote Code Execution Vulnerability

Microsoft Dynamics 365 On-Premises Remote Code Execution Vulnerability

Microsoft Microsoft Dynamics 365 (on-premises) version 9.1 Microsoft Dynamics 365 (on-premises) version 9.0

Nov 10, 2021
High 7.8

CVE-2021-42298

Microsoft Defender Remote Code Execution Vulnerability

Microsoft Defender Remote Code Execution Vulnerability

Microsoft Microsoft Malware Protection Engine

Nov 10, 2021
High 7.8

CVE-2021-42296

Microsoft Word Remote Code Execution Vulnerability

Microsoft Word Remote Code Execution Vulnerability

Microsoft Microsoft 365 Apps for Enterprise Microsoft Office LTSC 2021

Nov 10, 2021