Microsoft Windows Server 2012 R2 vulnerabilities
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Published CVEs affecting Microsoft Windows Server 2012 R2: 1817 record(s), with affected versions and fixes.
CVE-2026-56182
High · 7.8
CWE-122 Jul 14, 2026
Windows NTFS Elevation of Privilege Vulnerability
Integer overflow or wraparound in Windows NTFS allows an authorized attacker to elevate privileges locally.
CVE-2026-56176
High · 7.8
CWE-125 Jul 14, 2026
Windows Win32k Elevation of Privilege Vulnerability
Out-of-bounds read in Windows Win32K - GRFX allows an authorized attacker to elevate privileges locally.
CVE-2026-56175
High · 7.8
CWE-122 Jul 14, 2026
Windows NTFS Elevation of Privilege Vulnerability
Heap-based buffer overflow in Windows NTFS allows an authorized attacker to elevate privileges locally.
CVE-2026-56159
Critical · 9.8
CWE-122 Jul 14, 2026
DHCP Server Service Remote Code Execution Vulnerability
Heap-based buffer overflow in Windows DHCP Server allows an unauthorized attacker to execute code over a network.
CVE-2026-54128
High · 8.4
CWE-416 Jul 14, 2026
Windows DHCP Client Remote Code Execution Vulnerability
Use after free in Windows DHCP Client allows an unauthorized attacker to execute code locally.
CVE-2026-54121
High · 8.8
CWE-285 Jul 14, 2026
Active Directory Certificate Services Elevation of Privilege Vulnerability
Improper authorization in Active Directory Certificate Services (AD CS) allows an authorized attacker to elevate privileges over a network.
CVE-2026-54115
High · 7.8
CWE-122 Jul 14, 2026
Windows Message Queuing (MSMQ) Elevation of Privilege Vulnerability
Integer overflow or wraparound in Windows Active Directory allows an authorized attacker to elevate privileges locally.
CVE-2026-50690
Medium · 5.5
CWE-908 Jul 14, 2026
Windows SMB Information Disclosure Vulnerability
Use of uninitialized resource in Windows SMB allows an authorized attacker to disclose information locally.
CVE-2026-50688
High · 7.8
CWE-416 Jul 14, 2026
Windows Win32k Elevation of Privilege Vulnerability
Use after free in Windows Kernel allows an authorized attacker to elevate privileges locally.
CVE-2026-50686
High · 8.1
CWE-843 Jul 14, 2026
Windows OLE Remote Code Execution Vulnerability
Access of resource using incompatible type ('type confusion') in Windows OLE allows an unauthorized attacker to execute code over a network.
CVE-2026-50685
High · 7.5
CWE-415 Jul 14, 2026
Windows DHCP Server Remote Code Execution Vulnerability
Double free in Windows DHCP Server allows an authorized attacker to execute code over a network.
CVE-2026-50684
Medium · 4.8
CWE-79 Jul 14, 2026
Active Directory Federation Server Spoofing Vulnerability
Improper neutralization of input during web page generation ('cross-site scripting') in Active Directory Federation Services (AD FS) allows an authorized attacker to perform spoofing over a network.
CVE-2026-50683
High · 8.0
CWE-122 Jul 14, 2026
Windows DHCP Client Elevation of Privilege Vulnerability
Heap-based buffer overflow in Windows DHCP Server allows an authorized attacker to elevate privileges over an adjacent network.
CVE-2026-50673
High · 7.8
CWE-367 Jul 14, 2026
Windows Kernel Elevation of Privilege Vulnerability
Null pointer dereference in Windows Kernel allows an authorized attacker to elevate privileges locally.
CVE-2026-50669
High · 7.0
CWE-362 Jul 14, 2026
Windows Telephony Server Elevation of Privilege Vulnerability
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Telephony Service allows an authorized attacker to elevate privileges locally.
CVE-2026-50667
High · 7.0
CWE-362 Jul 14, 2026
Windows Common Log File System Driver Elevation of Privilege Vulnerability
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows NTFS allows an authorized attacker to elevate privileges locally.
CVE-2026-50666
High · 8.8
CWE-416 Jul 14, 2026
Windows Remote Access Elevation of Privilege Vulnerability
Use after free in Windows Remote Access Connection Manager allows an authorized attacker to elevate privileges over a network.
CVE-2026-50647
High · 7.5
CWE-835 Jul 14, 2026
Active Directory Federation Server Denial of Service Vulnerability
Loop with unreachable exit condition ('infinite loop') in Active Directory Federation Services (AD FS) allows an unauthorized attacker to deny service over a network.
CVE-2026-50518
Critical · 9.8
CWE-122 Jul 14, 2026
Windows DHCP Server Remote Code Execution Vulnerability
Heap-based buffer overflow in Windows DHCP Server allows an unauthorized attacker to execute code over a network.
CVE-2026-50505
High · 8.8
CWE-416 Jul 14, 2026
Windows Message Queuing Service (MSMQ) Remote Code Execution Vulnerability
Use after free in Windows Message Queuing allows an authorized attacker to execute code over a network.
CVE-2026-50504
High · 7.5
CWE-126 Jul 14, 2026
Windows Remote Desktop Client Information Disclosure Vulnerability
Buffer over-read in Remote Desktop Client allows an unauthorized attacker to disclose information over a network.
CVE-2026-50502
High · 8.8
CWE-1220 Jul 14, 2026
Windows Event Logging Service Remote Code Execution Vulnerability
Insufficient granularity of access control in Windows Event Logging Service allows an authorized attacker to execute code over a network.
CVE-2026-50500
High · 8.8
CWE-416 Jul 14, 2026
Windows Netlogon Elevation of Privilege Vulnerability
Use after free in Windows Netlogon allows an authorized attacker to elevate privileges over a network.
CVE-2026-50498
High · 7.8
CWE-125 Jul 14, 2026
Windows Universal Disk Format File System Driver (UDFS) Elevation of Privilege Vulnerability
Windows Universal Disk Format File System Driver (UDFS) Elevation of Privilege Vulnerability
CVE-2026-50497
High · 7.5
CWE-193 Jul 14, 2026
Windows Remote Desktop Protocol (RDP) Information Disclosure Vulnerability
Off-by-one error in Windows Remote Desktop Protocol allows an unauthorized attacker to disclose information over a network.