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Microsoft Windows Server 2025 vulnerabilities

3,648 known vulnerabilities affecting microsoft/windows_server_2025.

Total CVEs
3,648
CISA KEV
42
actively exploited
Public exploits
32
Exploited in wild
50
Severity breakdown
CRITICAL131HIGH2617MEDIUM891LOW9

Vulnerabilities

Page 29 of 183
CVE-2026-49798P3CRITICALCVSS 9.3fixed in 10.0.26100.33158≥ 10.0.26100.0, < 10.0.26100.331582026-07-14
CVE-2026-49798 [CRITICAL] CWE-416 CVE-2026-49798: Use after free in Windows Kernel allows an unauthorized attacker to elevate privileges locally. Use after free in Windows Kernel allows an unauthorized attacker to elevate privileges locally.
nvd
CVE-2025-21222P3HIGHCVSS 8.8fixed in 10.0.26100.3775≥ 10.0.26100.0, < 10.0.26100.37752025-04-08
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 10.0.26100.3775≥ 10.0.26100.0, < 10.0.26100.37752025-04-08
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 10.0.26100.3775≥ 10.0.26100.0, < 10.0.26100.37752025-04-08
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-2025-21409P3HIGHCVSS 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-2026-50509P3HIGHCVSS 7.8fixed in 10.0.26100.33158≥ 10.0.26100.0, < 10.0.26100.331582026-07-14
CVE-2026-50509 [HIGH] CWE-502 CVE-2026-50509: Deserialization of untrusted data in Windows Wireless Wide Area Network Service allows an authorized Deserialization of untrusted data in Windows Wireless Wide Area Network Service allows an authorized attacker to elevate privileges locally.
nvd
CVE-2025-53131P3HIGHCVSS 8.8fixed in 10.0.26100.4851≥ 10.0.26100.0, < 10.0.26100.49462025-08-12
CVE-2025-53131 [HIGH] CWE-122 CVE-2025-53131: Heap-based buffer overflow in Windows Media allows an unauthorized attacker to execute code over a n Heap-based buffer overflow in Windows Media allows an unauthorized attacker to execute code over a network.
nvd
CVE-2026-85818P3CRITICALCVSS 9.0fixed in 10.0.26100.33650≥ 10.0.26100.0, < 10.0.26100.336502026-10-13
CVE-2026-85818 [CRITICAL] CWE-347 CVE-2026-85818: Improper verification of cryptographic signature in Windows Schannel allows an unauthorized attacker Improper verification of cryptographic signature in Windows Schannel allows an unauthorized attacker to perform spoofing over a network.
nvd
CVE-2026-83797P3HIGHCVSS 8.8fixed in 10.0.26100.33650≥ 10.0.26100.0, < 10.0.26100.336502026-10-13
CVE-2026-83797 [HIGH] CWE-125 CVE-2026-83797: Out-of-bounds read in Windows Partition Management Driver allows an unauthorized attacker to execute Out-of-bounds read in Windows Partition Management Driver allows an unauthorized attacker to execute code over a network.
nvd
CVE-2026-69494P3HIGHCVSS 8.8fixed in 10.0.26100.33438≥ 10.0.26100.0, < 10.0.26100.334382026-09-08
CVE-2026-69494 [HIGH] CWE-122 CVE-2026-69494: Out-of-bounds read in Windows Event Logging Service allows an unauthorized attacker to execute code Out-of-bounds read in Windows Event Logging Service allows an unauthorized attacker to execute code over a network.
nvd
CVE-2026-69598P3HIGHCVSS 8.8fixed in 10.0.26100.33438≥ 10.0.26100.0, < 10.0.26100.334382026-09-08
CVE-2026-69598 [HIGH] CWE-131 CVE-2026-69598: Incorrect calculation of buffer size in Windows iSCSI allows an unauthorized attacker to execute cod Incorrect calculation of buffer size in Windows iSCSI allows an unauthorized attacker to execute code over a network.
nvd
CVE-2025-58718P3HIGHCVSS 8.8≤ 10.0.26100.6899≥ 10.0.26100.0, < 10.0.26100.68992025-10-14
CVE-2025-58718 [HIGH] CWE-416 CVE-2025-58718: Use after free in Remote Desktop Client allows an unauthorized attacker to execute code over a netwo Use after free in Remote Desktop Client allows an unauthorized attacker to execute code over a network.
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-2025-21224P3HIGHCVSS 8.1fixed in 10.0.26100.2894≥ 10.0.26100.0, < 10.0.26100.28942025-01-14
CVE-2025-21224 [HIGH] CWE-416 CVE-2025-21224: Windows Line Printer Daemon (LPD) Service Remote Code Execution Vulnerability Windows Line Printer Daemon (LPD) Service Remote Code Execution Vulnerability
nvd
CVE-2026-20925P3MEDIUMCVSS 6.5fixed in 10.0.26100.32230≥ 10.0.26100.0, < 10.0.26100.322302026-01-13
CVE-2026-20925 [MEDIUM] CWE-73 CVE-2026-20925: External control of file name or path in Windows NTLM allows an unauthorized attacker to perform spo External control of file name or path in Windows NTLM allows an unauthorized attacker to perform spoofing over a network.
nvd
CVE-2026-42989P3HIGHCVSS 7.8fixed in 10.0.26100.32995≥ 10.0.26100.0, < 10.0.26100.329952026-06-09
CVE-2026-42989 [HIGH] CWE-59 CVE-2026-42989: Improper link resolution before file access ('link following') in Winlogon allows an authorized atta Improper link resolution before file access ('link following') in Winlogon allows an authorized attacker to elevate privileges locally.
nvd
CVE-2025-58722P3HIGHCVSS 7.8fixed in 10.0.26100.6899≥ 10.0.26100.0, < 10.0.26100.68992025-10-14
CVE-2025-58722 [HIGH] CWE-122 CVE-2025-58722: Heap-based buffer overflow in Windows DWM allows an authorized attacker to elevate privileges locall Heap-based buffer overflow in Windows DWM allows an authorized attacker to elevate privileges locally.
nvd
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Microsoft Windows Server 2025 vulnerabilities | cvebase