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Microsoft Windows Server 2025 vulnerabilities

1,706 known vulnerabilities affecting microsoft/windows_server_2025.

Total CVEs
1,706
CISA KEV
38
actively exploited
Public exploits
32
Exploited in wild
46
Severity breakdown
CRITICAL40HIGH1216MEDIUM441LOW9

Vulnerabilities

Page 14 of 86
CVE-2025-29966P3HIGHCVSS 8.8fixed in 10.0.26100.4061≥ 10.0.26100.0, < 10.0.26100.40612025-05-13
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 10.0.26100.2894≥ 10.0.26100.0, < 10.0.26100.28942025-01-14
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 10.0.26100.2894≥ 10.0.26100.0, < 10.0.26100.28942025-01-14
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 10.0.26100.2894≥ 10.0.26100.0, < 10.0.26100.28942025-01-14
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 10.0.26100.2894≥ 10.0.26100.0, < 10.0.26100.28942025-01-14
CVE-2025-21411 [HIGH] CWE-122 CVE-2025-21411: Windows Telephony Service Remote Code Execution Vulnerability Windows Telephony Service Remote Code Execution Vulnerability
nvd
CVE-2025-21413P3HIGHCVSS 8.8fixed in 10.0.26100.2894≥ 10.0.26100.0, < 10.0.26100.28942025-01-14
CVE-2025-21413 [HIGH] CWE-122 CVE-2025-21413: Windows Telephony Service Remote Code Execution Vulnerability Windows Telephony Service Remote Code Execution Vulnerability
nvd
CVE-2025-48817P3HIGHCVSS 8.8fixed in 10.0.26100.4652≥ 10.0.26100.0, < 10.0.26100.46522025-07-08
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 10.0.26100.32230≥ 10.0.26100.0, < 10.0.26100.322302026-01-13
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-2025-59516P3HIGHCVSS 7.8fixed in 10.0.26100.7392≥ 10.0.26100.0, < 10.0.26100.74622025-12-09
CVE-2025-59516 [HIGH] CWE-73 CVE-2025-59516: Missing authentication for critical function in Windows Storage VSP Driver allows an authorized atta Missing authentication for critical function in Windows Storage VSP Driver allows an authorized attacker to elevate privileges locally.
nvd
CVE-2025-62454P3HIGHCVSS 7.8fixed in 10.0.26100.7392≥ 10.0.26100.0, < 10.0.26100.74622025-12-09
CVE-2025-62454 [HIGH] CWE-122 CVE-2025-62454: Heap-based buffer overflow in Windows Cloud Files Mini Filter Driver allows an authorized attacker t Heap-based buffer overflow in Windows Cloud Files Mini Filter Driver allows an authorized attacker to elevate privileges locally.
nvd
CVE-2025-54916P3HIGHCVSS 7.8fixed in 10.0.26100.6508≥ 10.0.26100.0, < 10.0.26100.65842025-09-09
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 10.0.26100.32230≥ 10.0.26100.0, < 10.0.26100.322302026-01-13
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 10.0.26100.32995≥ 10.0.26100.0, < 10.0.26100.329952026-06-09
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-2026-50460P3HIGHCVSS 8.1fixed in 10.0.26100.33158≥ 10.0.26100.0, < 10.0.26100.331582026-07-14
CVE-2026-50460 [HIGH] CWE-362 CVE-2026-50460: Concurrent execution using shared resource with improper synchronization ('race condition') in Windo Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Runtime allows an unauthorized attacker to elevate privileges over a network.
nvd
CVE-2025-21277P3HIGHCVSS 7.5fixed in 10.0.26100.2894≥ 10.0.26100.0, < 10.0.26100.28942025-01-14
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-2026-20921P3HIGHCVSS 7.5fixed in 10.0.26100.32230≥ 10.0.26100.0, < 10.0.26100.322302026-01-13
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-2025-58726P3HIGHCVSS 7.5≤ 10.0.26100.6899≥ 10.0.26100.0, < 10.0.26100.68992025-10-14
CVE-2025-58726 [HIGH] CWE-284 CVE-2025-58726: Improper access control in Windows SMB Server allows an authorized attacker to elevate privileges ov Improper access control in Windows SMB Server allows an authorized attacker to elevate privileges over a network.
nvd
CVE-2026-20926P3HIGHCVSS 7.5fixed in 10.0.26100.32230≥ 10.0.26100.0, < 10.0.26100.322302026-01-13
CVE-2026-20926 [HIGH] CWE-362 CVE-2026-20926: 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-2026-20919P3HIGHCVSS 7.5fixed in 10.0.26100.32230≥ 10.0.26100.0, < 10.0.26100.322302026-01-13
CVE-2026-20919 [HIGH] CWE-362 CVE-2026-20919: 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-2026-20934P3HIGHCVSS 7.5fixed in 10.0.26100.32230≥ 10.0.26100.0, < 10.0.26100.322302026-01-13
CVE-2026-20934 [HIGH] CWE-362 CVE-2026-20934: 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
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Microsoft Windows Server 2025 vulnerabilities | cvebase