Microsoft Windows Server 2016 vulnerabilities
4,536 known vulnerabilities affecting microsoft/windows_server_2016.
Total CVEs
4,536
CISA KEV
116
actively exploited
Public exploits
172
Exploited in wild
176
Severity breakdown
CRITICAL135HIGH3181MEDIUM1198LOW22
Vulnerabilities
Page 40 of 227
CVE-2024-43564P3HIGHCVSS 8.8fixed in 10.0.14393.7428≥ 10.0.14393.0, < 10.0.14393.74282024-10-08
CVE-2024-43564 [HIGH] CWE-122 CVE-2024-43564: Windows Routing and Remote Access Service (RRAS) Remote Code Execution Vulnerability
Windows Routing and Remote Access Service (RRAS) Remote Code Execution Vulnerability
nvd
CVE-2025-21222P3HIGHCVSS 8.8fixed in 10.0.14393.7969≥ 10.0.14393.0, < 10.0.14393.79692025-04-08
CVE-2025-21222 [HIGH] CWE-122 CVE-2025-21222: Heap-based buffer overflow in Windows Telephony Service allows an unauthorized attacker to execute c
Heap-based buffer overflow in Windows Telephony Service allows an unauthorized attacker to execute code over a network.
nvd
CVE-2025-21221P3HIGHCVSS 8.8fixed in 10.0.14393.7969≥ 10.0.14393.0, < 10.0.14393.79692025-04-08
CVE-2025-21221 [HIGH] CWE-122 CVE-2025-21221: Heap-based buffer overflow in Windows Telephony Service allows an unauthorized attacker to execute c
Heap-based buffer overflow in Windows Telephony Service allows an unauthorized attacker to execute code over a network.
nvd
CVE-2025-21205P3HIGHCVSS 8.8fixed in 10.0.14393.7969≥ 10.0.14393.0, < 10.0.14393.79692025-04-08
CVE-2025-21205 [HIGH] CWE-122 CVE-2025-21205: Heap-based buffer overflow in Windows Telephony Service allows an unauthorized attacker to execute c
Heap-based buffer overflow in Windows Telephony Service allows an unauthorized attacker to execute code over a network.
nvd
CVE-2025-29966P3HIGHCVSS 8.8fixed in 10.0.14393.8066≥ 10.0.14393.0, < 10.0.14393.80662025-05-13
CVE-2025-29966 [HIGH] CWE-122 CVE-2025-29966: Heap-based buffer overflow in Windows Remote Desktop allows an unauthorized attacker to execute code
Heap-based buffer overflow in Windows Remote Desktop allows an unauthorized attacker to execute code over a network.
nvd
CVE-2025-21417P3HIGHCVSS 8.8fixed in 10.0.14393.7699≥ 10.0.14393.0, < 10.0.14393.76992025-01-14
CVE-2025-21417 [HIGH] CWE-122 CVE-2025-21417: Windows Telephony Service Remote Code Execution Vulnerability
Windows Telephony Service Remote Code Execution Vulnerability
nvd
CVE-2025-21409P3HIGHCVSS 8.8fixed in 10.0.14393.7699≥ 10.0.14393.0, < 10.0.14393.76992025-01-14
CVE-2025-21409 [HIGH] CWE-122 CVE-2025-21409: Windows Telephony Service Remote Code Execution Vulnerability
Windows Telephony Service Remote Code Execution Vulnerability
nvd
CVE-2025-21339P3HIGHCVSS 8.8fixed in 10.0.14393.7699≥ 10.0.14393.0, < 10.0.14393.76992025-01-14
CVE-2025-21339 [HIGH] CWE-122 CVE-2025-21339: Windows Telephony Service Remote Code Execution Vulnerability
Windows Telephony Service Remote Code Execution Vulnerability
nvd
CVE-2025-21411P3HIGHCVSS 8.8fixed in 10.0.14393.7699≥ 10.0.14393.0, < 10.0.14393.76992025-01-14
CVE-2025-21411 [HIGH] CWE-122 CVE-2025-21411: Windows Telephony Service Remote Code Execution Vulnerability
Windows Telephony Service Remote Code Execution Vulnerability
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CVE-2025-21413P3HIGHCVSS 8.8fixed in 10.0.14393.7699≥ 10.0.14393.0, < 10.0.14393.76992025-01-14
CVE-2025-21413 [HIGH] CWE-122 CVE-2025-21413: Windows Telephony Service Remote Code Execution Vulnerability
Windows Telephony Service Remote Code Execution Vulnerability
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CVE-2025-48817P3HIGHCVSS 8.8fixed in 10.0.14393.8246≥ 10.0.14393.0, < 10.0.14393.82462025-07-08
CVE-2025-48817 [HIGH] CWE-23 CVE-2025-48817: Relative path traversal in Remote Desktop Client allows an unauthorized attacker to execute code ove
Relative path traversal in Remote Desktop Client allows an unauthorized attacker to execute code over a network.
nvd
CVE-2026-20820P3HIGHCVSS 7.8fixed in 10.0.14393.8783≥ 10.0.14393.0, < 10.0.14393.87832026-01-13
CVE-2026-20820 [HIGH] CWE-122 CVE-2026-20820: Heap-based buffer overflow in Windows Common Log File System Driver allows an authorized attacker to
Heap-based buffer overflow in Windows Common Log File System Driver allows an authorized attacker to elevate privileges locally.
nvd
CVE-2025-54916P3HIGHCVSS 7.8fixed in 10.0.14393.8422≥ 10.0.14393.0, < 10.0.14393.84222025-09-09
CVE-2025-54916 [HIGH] CWE-121 CVE-2025-54916: Stack-based buffer overflow in Windows NTFS allows an authorized attacker to execute code locally.
Stack-based buffer overflow in Windows NTFS allows an authorized attacker to execute code locally.
nvd
CVE-2026-20856P3HIGHCVSS 8.1fixed in 10.0.14393.8783≥ 10.0.14393.0, < 10.0.14393.87832026-01-13
CVE-2026-20856 [HIGH] CWE-20 CVE-2026-20856: Improper input validation in Windows Server Update Service allows an unauthorized attacker to execut
Improper input validation in Windows Server Update Service allows an unauthorized attacker to execute code over a network.
nvd
CVE-2026-42987P3HIGHCVSS 8.1fixed in 10.0.14393.9234≥ 10.0.14393.0, < 10.0.14393.92342026-06-09
CVE-2026-42987 [HIGH] CWE-416 CVE-2026-42987: Use after free in Windows Deployment Services allows an unauthorized attacker to execute code over a
Use after free in Windows Deployment Services allows an unauthorized attacker to execute code over a network.
nvd
CVE-2025-21277P3HIGHCVSS 7.5fixed in 10.0.14393.7699≥ 10.0.14393.0, < 10.0.14393.76992025-01-14
CVE-2025-21277 [HIGH] CWE-126 CVE-2025-21277: Microsoft Message Queuing (MSMQ) Denial of Service Vulnerability
Microsoft Message Queuing (MSMQ) Denial of Service Vulnerability
nvd
CVE-2022-30165P3HIGHCVSS 8.8v20h2≥ 10.0.14393.0, < 10.0.14393.51922022-06-15
CVE-2022-30165 [HIGH] CVE-2022-30165: Windows Kerberos Elevation of Privilege Vulnerability
Windows Kerberos Elevation of Privilege Vulnerability
nvd
CVE-2023-21818P3HIGHCVSS 7.5≥ 10.0.14393.0, < 10.0.14393.57172023-02-14
CVE-2023-21818 [HIGH] CWE-20 CVE-2023-21818: Windows Secure Channel Denial of Service Vulnerability
Windows Secure Channel Denial of Service Vulnerability
nvd
CVE-2026-20921P3HIGHCVSS 7.5fixed in 10.0.14393.8783≥ 10.0.14393.0, < 10.0.14393.87832026-01-13
CVE-2026-20921 [HIGH] CWE-362 CVE-2026-20921: Concurrent execution using shared resource with improper synchronization ('race condition') in Windo
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows SMB Server allows an authorized attacker to elevate privileges over a network.
nvd
CVE-2020-17049P3HIGHCVSS 7.2v20h2v1903+3 more2020-11-11
CVE-2020-17049 [HIGH] CWE-863 CVE-2020-17049: A security feature bypass vulnerability exists in the way Key Distribution Center (KDC) determines i
A security feature bypass vulnerability exists in the way Key Distribution Center (KDC) determines if a service ticket can be used for delegation via Kerberos Constrained Delegation (KCD).
To exploit the vulnerability, a compromised service that is configured to use KCD could tamper with a service ticket that is not valid for delegation to force the K
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