Microsoft Windows Server 2012 (Server Core installation) vulnerabilities

CVE-2026-56648 High · 7.5 CWE-367 Jul 14, 2026

Windows NFS Server Elevation of Privilege Vulnerability

Time-of-check time-of-use (toctou) race condition in Windows Network File System allows an authorized attacker to elevate privileges over a network.

CVE-2026-56194 High · 8.8 CWE-122 Jul 14, 2026

Windows NFS Server Elevation of Privilege Vulnerability

Heap-based buffer overflow in Windows Network File System allows an authorized attacker to elevate privileges over a network.

CVE-2026-56190 Critical · 9.8 CWE-908 Jul 14, 2026

Remote Desktop Protocol Remote Code Execution Vulnerability

Use of uninitialized resource in Windows RDP allows an unauthorized attacker to execute code over a network.

CVE-2026-56189 High · 8.4 CWE-122 Jul 14, 2026

Microsoft Windows Media Foundation Remote Code Execution Vulnerability

Heap-based buffer overflow in Microsoft Windows Media Foundation allows an unauthorized attacker to execute code locally.

CVE-2026-56188 High · 8.1 CWE-362 Jul 14, 2026

Windows Server Network driver Remote Code Execution Vulnerability

Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Server Network driver allows an unauthorized attacker to execute code over a network.

CVE-2026-56186 Medium · 6.5 CWE-125 Jul 14, 2026

Windows Secure Channel Information Disclosure Vulnerability

Out-of-bounds read in Windows Schannel allows an authorized attacker to disclose information over a network.

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-2026-54126 Medium · 6.5 CWE-125 Jul 14, 2026

Windows Remote Desktop Protocol (RDP) Information Disclosure Vulnerability

Out-of-bounds read in Windows RDP allows an unauthorized attacker to disclose information over a network.

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-2026-50685 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-2026-50647 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.