Microsoft Windows Server 2012 R2 vulnerabilities
2,562 known vulnerabilities affecting microsoft/windows_server_2012_r2.
Total CVEs
2,562
CISA KEV
96
actively exploited
Public exploits
62
Exploited in wild
82
Severity breakdown
CRITICAL86HIGH1814MEDIUM653LOW9
Vulnerabilities
Page 4 of 129
CVE-2026-32156HIGHCVSS 7.4≥ 6.3.9600.0, < 6.3.9600.231322026-04-14
CVE-2026-32156 [HIGH] CWE-416 CVE-2026-32156: Use after free in Windows Universal Plug and Play (UPnP) Device Host allows an unauthorized attacker
Use after free in Windows Universal Plug and Play (UPnP) Device Host allows an unauthorized attacker to execute code locally.
nvd
CVE-2026-26160HIGHCVSS 7.8≥ 6.3.9600.0, < 6.3.9600.231322026-04-14
CVE-2026-26160 [HIGH] CWE-306 CVE-2026-26160: Missing authentication for critical function in Windows Remote Desktop Licensing Service allows an a
Missing authentication for critical function in Windows Remote Desktop Licensing Service allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-27912HIGHCVSS 8.0≥ 6.3.9600.0, < 6.3.9600.231322026-04-14
CVE-2026-27912 [HIGH] CWE-285 CVE-2026-27912: Improper authorization in Windows Kerberos allows an authorized attacker to elevate privileges over
Improper authorization in Windows Kerberos allows an authorized attacker to elevate privileges over an adjacent network.
nvd
CVE-2026-27921HIGHCVSS 7.0≥ 6.3.9600.0, < 6.3.9600.231322026-04-14
CVE-2026-27921 [HIGH] CWE-362 CVE-2026-27921: Concurrent execution using shared resource with improper synchronization ('race condition') in Windo
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows TCP/IP allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-27923HIGHCVSS 7.8≥ 6.3.9600.0, < 6.3.9600.231322026-04-14
CVE-2026-27923 [HIGH] CWE-416 CVE-2026-27923: Use after free in Desktop Window Manager allows an authorized attacker to elevate privileges locally
Use after free in Desktop Window Manager allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-26151HIGHCVSS 7.1≥ 6.3.9600.0, < 6.3.9600.231322026-04-14
CVE-2026-26151 [HIGH] CWE-357 CVE-2026-26151: Insufficient ui warning of dangerous operations in Windows Remote Desktop allows an unauthorized att
Insufficient ui warning of dangerous operations in Windows Remote Desktop allows an unauthorized attacker to perform spoofing over a network.
nvd
CVE-2026-26162HIGHCVSS 7.8≥ 6.3.9600.0, < 6.3.9600.231322026-04-14
CVE-2026-26162 [HIGH] CWE-843 CVE-2026-26162: Access of resource using incompatible type ('type confusion') in Windows OLE allows an authorized at
Access of resource using incompatible type ('type confusion') in Windows OLE allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-26163HIGHCVSS 7.8≥ 6.3.9600.0, < 6.3.9600.231322026-04-14
CVE-2026-26163 [HIGH] CWE-415 CVE-2026-26163: Double free in Windows Kernel allows an authorized attacker to elevate privileges locally.
Double free in Windows Kernel allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-32075HIGHCVSS 7.0≥ 6.3.9600.0, < 6.3.9600.231322026-04-14
CVE-2026-32075 [HIGH] CWE-416 CVE-2026-32075: Use after free in Windows Universal Plug and Play (UPnP) Device Host allows an authorized attacker t
Use after free in Windows Universal Plug and Play (UPnP) Device Host allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-26173HIGHCVSS 7.0≥ 6.3.9600.0, < 6.3.9600.231322026-04-14
CVE-2026-26173 [HIGH] CWE-362 CVE-2026-26173: Concurrent execution using shared resource with improper synchronization ('race condition') in Windo
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-32073HIGHCVSS 7.0≥ 6.3.9600.0, < 6.3.9600.231322026-04-14
CVE-2026-32073 [HIGH] CWE-416 CVE-2026-32073: Use after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to ele
Use after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-32157HIGHCVSS 8.8≥ 6.3.9600.0, < 6.3.9600.231322026-04-14
CVE-2026-32157 [HIGH] CWE-416 CVE-2026-32157: 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-2026-33826HIGHCVSS 8.0≥ 6.3.9600.0, < 6.3.9600.231322026-04-14
CVE-2026-33826 [HIGH] CWE-20 CVE-2026-33826: Improper input validation in Windows Active Directory allows an authorized attacker to execute code
Improper input validation in Windows Active Directory allows an authorized attacker to execute code over an adjacent network.
nvd
CVE-2026-33827HIGHCVSS 8.1≥ 6.3.9600.0, < 6.3.9600.231322026-04-14
CVE-2026-33827 [HIGH] CWE-362 CVE-2026-33827: Concurrent execution using shared resource with improper synchronization ('race condition') in Windo
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows TCP/IP allows an unauthorized attacker to execute code over a network.
nvd
CVE-2026-26174HIGHCVSS 7.0≥ 6.3.9600.0, < 6.3.9600.231322026-04-14
CVE-2026-26174 [HIGH] CWE-362 CVE-2026-26174: Concurrent execution using shared resource with improper synchronization ('race condition') in Windo
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Server Update Service allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-27922HIGHCVSS 7.0≥ 6.3.9600.0, < 6.3.9600.231322026-04-14
CVE-2026-27922 [HIGH] CWE-416 CVE-2026-27922: Use after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to ele
Use after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-27916HIGHCVSS 7.8≥ 6.3.9600.0, < 6.3.9600.231322026-04-14
CVE-2026-27916 [HIGH] CWE-416 CVE-2026-27916: Use after free in Windows Universal Plug and Play (UPnP) Device Host allows an authorized attacker t
Use after free in Windows Universal Plug and Play (UPnP) Device Host allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-27913HIGHCVSS 7.7≥ 6.3.9600.0, < 6.3.9600.231322026-04-14
CVE-2026-27913 [HIGH] CWE-20 CVE-2026-27913: Improper input validation in Windows BitLocker allows an unauthorized attacker to bypass a security
Improper input validation in Windows BitLocker allows an unauthorized attacker to bypass a security feature locally.
nvd
CVE-2026-26180HIGHCVSS 7.8≥ 6.3.9600.0, < 6.3.9600.231322026-04-14
CVE-2026-26180 [HIGH] CWE-122 CVE-2026-26180: Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges loc
Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-32077HIGHCVSS 7.8≥ 6.3.9600.0, < 6.3.9600.231322026-04-14
CVE-2026-32077 [HIGH] CWE-822 CVE-2026-32077: Untrusted pointer dereference in Windows Universal Plug and Play (UPnP) Device Host allows an author
Untrusted pointer dereference in Windows Universal Plug and Play (UPnP) Device Host allows an authorized attacker to elevate privileges locally.
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