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 5 of 86
CVE-2026-50439P2CRITICALCVSS 9.8fixed in 10.0.26100.33158≥ 10.0.26100.0, < 10.0.26100.331582026-07-14
CVE-2026-50439 [CRITICAL] CWE-416 CVE-2026-50439: Use after free in Microsoft Message Queuing Queue Manager allows an unauthorized attacker to execute
Use after free in Microsoft Message Queuing Queue Manager allows an unauthorized attacker to execute code over a network.
nvd
CVE-2025-21369P2HIGHCVSS 8.8fixed in 10.0.26100.3194≥ 10.0.26100.0, < 10.0.26100.31942025-02-11
CVE-2025-21369 [HIGH] CWE-122 CVE-2025-21369: Microsoft Digest Authentication Remote Code Execution Vulnerability
Microsoft Digest Authentication Remote Code Execution Vulnerability
nvd
CVE-2025-21368P2HIGHCVSS 8.8fixed in 10.0.26100.3194≥ 10.0.26100.0, < 10.0.26100.31942025-02-11
CVE-2025-21368 [HIGH] CWE-122 CVE-2025-21368: Microsoft Digest Authentication Remote Code Execution Vulnerability
Microsoft Digest Authentication Remote Code Execution Vulnerability
nvd
CVE-2025-21309P2HIGHCVSS 8.1fixed in 10.0.26100.2894≥ 10.0.26100.0, < 10.0.26100.28942025-01-14
CVE-2025-21309 [HIGH] CWE-591 CVE-2025-21309: Windows Remote Desktop Services Remote Code Execution Vulnerability
Windows Remote Desktop Services Remote Code Execution Vulnerability
nvd
CVE-2025-49744P3HIGHCVSS 7.0PoCfixed in 10.0.26100.4652≥ 10.0.26100.0, < 10.0.26100.46522025-07-08
CVE-2025-49744 [HIGH] CWE-122 CVE-2025-49744: Heap-based buffer overflow in Microsoft Graphics Component allows an authorized attacker to elevate
Heap-based buffer overflow in Microsoft Graphics Component allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-56194P2HIGHCVSS 8.8fixed in 10.0.26100.33158≥ 10.0.26100.0, < 10.0.26100.331582026-07-14
CVE-2026-56194 [HIGH] CWE-122 CVE-2026-56194: Heap-based buffer overflow in Windows Network File System allows an authorized attacker to elevate p
Heap-based buffer overflow in Windows Network File System allows an authorized attacker to elevate privileges over a network.
nvd
CVE-2026-56647P2HIGHCVSS 8.8fixed in 10.0.26100.33158≥ 10.0.26100.0, < 10.0.26100.331582026-07-14
CVE-2026-56647 [HIGH] CWE-190 CVE-2026-56647: Integer overflow or wraparound in Windows Remote Access Service Infrastructure allows an authorized
Integer overflow or wraparound in Windows Remote Access Service Infrastructure allows an authorized attacker to elevate privileges over a network.
nvd
CVE-2025-21307P2CRITICALCVSS 9.8fixed in 10.0.26100.2894≥ 10.0.26100.0, < 10.0.26100.28942025-01-14
CVE-2025-21307 [CRITICAL] CWE-416 CVE-2025-21307: Windows Reliable Multicast Transport Driver (RMCAST) Remote Code Execution Vulnerability
Windows Reliable Multicast Transport Driver (RMCAST) Remote Code Execution Vulnerability
nvd
CVE-2026-57092P2CRITICALCVSS 9.9fixed in 10.0.26100.33158≥ 10.0.26100.0, < 10.0.26100.331582026-07-14
CVE-2026-57092 [CRITICAL] CWE-416 CVE-2026-57092: Use after free in Windows VMSwitch allows an authorized attacker to elevate privileges over a networ
Use after free in Windows VMSwitch allows an authorized attacker to elevate privileges over a network.
nvd
CVE-2026-57090P2CRITICALCVSS 9.8fixed in 10.0.26100.33158≥ 10.0.26100.0, < 10.0.26100.331582026-07-14
CVE-2026-57090 [CRITICAL] CWE-122 CVE-2026-57090: Heap-based buffer overflow in Microsoft Windows Media Foundation allows an unauthorized attacker to
Heap-based buffer overflow in Microsoft Windows Media Foundation allows an unauthorized attacker to execute code over a network.
nvd
CVE-2026-49172P2CRITICALCVSS 9.8fixed in 10.0.26100.33158≥ 10.0.26100.0, < 10.0.26100.331582026-07-14
CVE-2026-49172 [CRITICAL] CWE-122 CVE-2026-49172: Heap-based buffer overflow in Windows FTP Service allows an unauthorized attacker to execute code ov
Heap-based buffer overflow in Windows FTP Service allows an unauthorized attacker to execute code over a network.
nvd
CVE-2026-54995P2CRITICALCVSS 9.8fixed in 10.0.26100.33158≥ 10.0.26100.0, < 10.0.26100.331582026-07-14
CVE-2026-54995 [CRITICAL] CWE-416 CVE-2026-54995: Use after free in Reliable Multicast Transport Driver (RMCAST) allows an unauthorized attacker to ex
Use after free in Reliable Multicast Transport Driver (RMCAST) allows an unauthorized attacker to execute code over a network.
nvd
CVE-2025-33064P2HIGHCVSS 8.8fixed in 10.0.26100.4270≥ 10.0.26100.0, < 10.0.26100.43492025-06-10
CVE-2025-33064 [HIGH] CWE-122 CVE-2025-33064: Heap-based buffer overflow in Windows Routing and Remote Access Service (RRAS) allows an authorized
Heap-based buffer overflow in Windows Routing and Remote Access Service (RRAS) allows an authorized attacker to execute code over a network.
nvd
CVE-2026-45648P2HIGHCVSS 8.8fixed in 10.0.26100.32995≥ 10.0.26100.0, < 10.0.26100.329952026-06-09
CVE-2026-45648 [HIGH] CWE-121 CVE-2026-45648: Stack-based buffer overflow in Active Directory Domain Services allows an authorized attacker to exe
Stack-based buffer overflow in Active Directory Domain Services allows an authorized attacker to execute code over a network.
nvd
CVE-2026-50666P2HIGHCVSS 8.8fixed in 10.0.26100.33158≥ 10.0.26100.0, < 10.0.26100.331582026-07-14
CVE-2026-50666 [HIGH] CWE-416 CVE-2026-50666: Use after free in Windows Remote Access Connection Manager allows an authorized attacker to elevate
Use after free in Windows Remote Access Connection Manager allows an authorized attacker to elevate privileges over a network.
nvd
CVE-2026-50360P2HIGHCVSS 8.8fixed in 10.0.26100.33158≥ 10.0.26100.0, < 10.0.26100.331582026-07-14
CVE-2026-50360 [HIGH] CWE-303 CVE-2026-50360: Incorrect implementation of authentication algorithm in Windows SMB Server allows an authorized atta
Incorrect implementation of authentication algorithm in Windows SMB Server allows an authorized attacker to elevate privileges over a network.
nvd
CVE-2025-27740P2HIGHCVSS 8.8fixed in 10.0.26100.3775≥ 10.0.26100.0, < 10.0.26100.37752025-04-08
CVE-2025-27740 [HIGH] CWE-1390 CVE-2025-27740: Weak authentication in Windows Active Directory Certificate Services allows an authorized attacker t
Weak authentication in Windows Active Directory Certificate Services allows an authorized attacker to elevate privileges over a network.
nvd
CVE-2025-26670P2HIGHCVSS 8.1fixed in 10.0.26100.3775≥ 10.0.26100.0, < 10.0.26100.37752025-04-08
CVE-2025-26670 [HIGH] CWE-416 CVE-2025-26670: Use after free in Windows LDAP - Lightweight Directory Access Protocol allows an unauthorized attack
Use after free in Windows LDAP - Lightweight Directory Access Protocol allows an unauthorized attacker to execute code over a network.
nvd
CVE-2026-25177P2HIGHCVSS 8.8fixed in 10.0.26100.32463≥ 10.0.26100.0, < 10.0.26100.325222026-03-10
CVE-2026-25177 [HIGH] CWE-641 CVE-2026-25177: Improper restriction of names for files and other resources in Active Directory Domain Services allo
Improper restriction of names for files and other resources in Active Directory Domain Services allows an authorized attacker to elevate privileges over a network.
nvd
CVE-2026-54121P2HIGHCVSS 8.8fixed in 10.0.26100.33158≥ 10.0.26100.0, < 10.0.26100.331582026-07-14
CVE-2026-54121 [HIGH] CWE-285 CVE-2026-54121: Improper authorization in Active Directory Certificate Services (AD CS) allows an authorized attacke
Improper authorization in Active Directory Certificate Services (AD CS) allows an authorized attacker to elevate privileges over a network.
nvd