Microsoft Windows Server 2016 vulnerabilities
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Published CVEs affecting Microsoft Windows Server 2016: 2297 record(s), with affected versions and fixes.cpe:2.3:o:microsoft:windows_server_2016
CVE-2026-20922
High · 7.8
CWE-122 Jan 13, 2026
Windows NTFS Remote Code Execution Vulnerability
Heap-based buffer overflow in Windows NTFS allows an authorized attacker to execute code locally.
CVE-2026-20921
High · 7.5
CWE-362 Jan 13, 2026
Windows SMB Server Elevation of Privilege Vulnerability
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows SMB Server allows an authorized attacker to elevate privileges over a network.
CVE-2026-20919
High · 7.5
CWE-362 Jan 13, 2026
Windows SMB Server Elevation of Privilege Vulnerability
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows SMB Server allows an authorized attacker to elevate privileges over a network.
CVE-2026-20875
High · 7.5
CWE-476 Jan 13, 2026
Windows Local Security Authority Subsystem Service (LSASS) Denial of Service Vulnerability
Null pointer dereference in Windows Local Security Authority Subsystem Service (LSASS) allows an unauthorized attacker to deny service over a network.
CVE-2026-20872
Medium · 6.5
CWE-73 Jan 13, 2026
NTLM Hash Disclosure Spoofing Vulnerability
External control of file name or path in Windows NTLM allows an unauthorized attacker to perform spoofing over a network.
CVE-2026-20869
High · 7.0
CWE-362 Jan 13, 2026
Windows Local Session Manager (LSM) Elevation of Privilege Vulnerability
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Local Session Manager (LSM) allows an authorized attacker to elevate privileges locally.
CVE-2026-20868
High · 8.8
CWE-122 Jan 13, 2026
Windows Routing and Remote Access Service (RRAS) Remote Code Execution Vulnerability
Heap-based buffer overflow in Windows Routing and Remote Access Service (RRAS) allows an unauthorized attacker to execute code over a network.
CVE-2026-20860
High · 7.8
CWE-843 Jan 13, 2026
Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability
Access of resource using incompatible type ('type confusion') in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.
CVE-2026-20856
High · 8.1
CWE-20 Jan 13, 2026
Windows Server Update Service (WSUS) Remote Code Execution Vulnerability
Improper input validation in Windows Server Update Service allows an unauthorized attacker to execute code over a network.
CVE-2026-20852
High · 7.7
CWE-266 Jan 13, 2026
Windows Hello Tampering Vulnerability
Incorrect privilege assignment in Windows Hello allows an unauthorized attacker to perform tampering locally.
CVE-2026-20849
High · 7.5
CWE-807 Jan 13, 2026
Windows Kerberos Elevation of Privilege Vulnerability
Reliance on untrusted inputs in a security decision in Windows Kerberos allows an authorized attacker to elevate privileges over a network.
CVE-2026-20848
High · 7.5
CWE-362 Jan 13, 2026
Windows SMB Server Elevation of Privilege Vulnerability
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows SMB Server allows an authorized attacker to elevate privileges over a network.
CVE-2026-20847
Medium · 6.5
CWE-200 Jan 13, 2026
Microsoft Windows File Explorer Spoofing Vulnerability
Exposure of sensitive information to an unauthorized actor in Windows Shell allows an authorized attacker to perform spoofing over a network.
CVE-2026-20844
High · 7.4
CWE-362 Jan 13, 2026
Windows Clipboard Server Elevation of Privilege Vulnerability
Use after free in Windows Clipboard Server allows an unauthorized attacker to elevate privileges locally.
CVE-2026-20843
High · 7.8
CWE-284 Jan 13, 2026
Windows Routing and Remote Access Service (RRAS) Elevation of Privilege Vulnerability
Improper access control in Windows Routing and Remote Access Service (RRAS) allows an authorized attacker to elevate privileges locally.
CVE-2026-20840
High · 7.8
CWE-122 Jan 13, 2026
Windows NTFS Remote Code Execution Vulnerability
Heap-based buffer overflow in Windows NTFS allows an authorized attacker to execute code locally.
CVE-2026-20839
Medium · 5.5
CWE-284 Jan 13, 2026
Windows Client-Side Caching (CSC) Service Information Disclosure Vulnerability
Improper access control in Windows Client-Side Caching (CSC) Service allows an authorized attacker to disclose information locally.
CVE-2026-20836
High · 7.0
CWE-362 Jan 13, 2026
DirectX Graphics Kernel Elevation of Privilege Vulnerability
Concurrent execution using shared resource with improper synchronization ('race condition') in Graphics Kernel allows an authorized attacker to elevate privileges locally.
CVE-2026-20834
Medium · 4.6
CWE-36 Jan 13, 2026
Windows Spoofing Vulnerability
Absolute path traversal in Windows Shell allows an unauthorized attacker to perform spoofing with a physical attack.
CVE-2026-20833
Medium · 5.5
CWE-327 Jan 13, 2026
Windows Kerberos Information Disclosure Vulnerability
Use of a broken or risky cryptographic algorithm in Windows Kerberos allows an authorized attacker to disclose information locally.
CVE-2026-20832
High · 7.8
CWE-415 Jan 13, 2026
Windows Remote Procedure Call Interface Definition Language (IDL) Elevation of Privilege Vulnerability
Windows Remote Procedure Call Interface Definition Language (IDL) Elevation of Privilege Vulnerability
CVE-2026-20831
High · 7.0
CWE-367 Jan 13, 2026
Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability
Time-of-check time-of-use (toctou) race condition in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.
CVE-2026-20828
Medium · 4.6
CWE-125 Jan 13, 2026
Windows rndismp6.sys Information Disclosure Vulnerability
Out-of-bounds read in Windows Internet Connection Sharing (ICS) allows an unauthorized attacker to disclose information with a physical attack.
CVE-2026-20827
Medium · 5.5
CWE-200 Jan 13, 2026
Tablet Windows User Interface (TWINUI) Subsystem Information Disclosure Vulnerability
Exposure of sensitive information to an unauthorized actor in Tablet Windows User Interface (TWINUI) Subsystem allows an authorized attacker to disclose information locally.
CVE-2026-20826
High · 7.0
CWE-362 Jan 13, 2026
Tablet Windows User Interface (TWINUI) Subsystem Information Disclosure Vulnerability
Concurrent execution using shared resource with improper synchronization ('race condition') in Tablet Windows User Interface (TWINUI) Subsystem allows an authorized attacker to elevate privileges locally.