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15 December 2021

Vulnerabilities first published on this day (UTC), newest first.

← November 2021 2021 / December /15 January 2022 →

All Critical High Medium Low Exploited only Public exploit

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High 7.5

CVE-2021-43893 Public exploit

Windows Encrypting File System (EFS) Elevation of Privilege Vulnerability

Windows Encrypting File System (EFS) 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-2021-43891 Public exploit EPSS 12%

Visual Studio Code Remote Code Execution Vulnerability

Visual Studio Code Remote Code Execution Vulnerability

Microsoft Visual Studio Code

Dec 15, 2021
High 7.8

CVE-2021-43883 Public exploit EPSS 12%

Windows Installer Elevation of Privilege Vulnerability

Windows Installer 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 7.8

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 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