Vulnerabilidades do Microsoft Windows Server 2012 R2 (Server Core installation)

CVE-2026-56182 Alta · 7.8 CWE-122 14/07/2026

Windows NTFS Elevation of Privilege Vulnerability

Integer overflow or wraparound in Windows NTFS allows an authorized attacker to elevate privileges locally.

CVE-2026-56176 Alta · 7.8 CWE-125 14/07/2026

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 Alta · 7.8 CWE-122 14/07/2026

Windows NTFS Elevation of Privilege Vulnerability

Heap-based buffer overflow in Windows NTFS allows an authorized attacker to elevate privileges locally.

CVE-2026-56159 Crítica · 9.8 CWE-122 14/07/2026

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 Alta · 8.4 CWE-416 14/07/2026

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 Alta · 8.8 CWE-285 14/07/2026

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 Alta · 7.8 CWE-122 14/07/2026

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 Média · 5.5 CWE-908 14/07/2026

Windows SMB Information Disclosure Vulnerability

Use of uninitialized resource in Windows SMB allows an authorized attacker to disclose information locally.

CVE-2026-50688 Alta · 7.8 CWE-416 14/07/2026

Windows Win32k Elevation of Privilege Vulnerability

Use after free in Windows Kernel allows an authorized attacker to elevate privileges locally.

CVE-2026-50686 Alta · 8.1 CWE-843 14/07/2026

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 Alta · 7.5 CWE-415 14/07/2026

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 Média · 4.8 CWE-79 14/07/2026

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 Alta · 8.0 CWE-122 14/07/2026

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 Alta · 7.8 CWE-367 14/07/2026

Windows Kernel Elevation of Privilege Vulnerability

Null pointer dereference in Windows Kernel allows an authorized attacker to elevate privileges locally.

CVE-2026-50669 Alta · 7.0 CWE-362 14/07/2026

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 Alta · 7.0 CWE-362 14/07/2026

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 Alta · 8.8 CWE-416 14/07/2026

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 Alta · 7.5 CWE-835 14/07/2026

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 Crítica · 9.8 CWE-122 14/07/2026

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 Alta · 8.8 CWE-416 14/07/2026

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 Alta · 7.5 CWE-126 14/07/2026

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 Alta · 8.8 CWE-1220 14/07/2026

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 Alta · 8.8 CWE-416 14/07/2026

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 Alta · 7.8 CWE-125 14/07/2026

Windows Universal Disk Format File System Driver (UDFS) Elevation of Privilege Vulnerability

CVE-2026-50497 Alta · 7.5 CWE-193 14/07/2026

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.