Microsoft Windows Server 2012 R2 vulnerabilities

CVE-2026-69989 [HIGH] CWE-416 CVE-2026-69989: Use after free in DNS Server allows an unauthorized attacker to execute code over a network. Use after free in DNS Server allows an unauthorized attacker to execute code over a network.

CVE-2026-69786 [HIGH] CWE-122 CVE-2026-69786: Heap-based buffer overflow in Windows Text Shaping allows an unauthorized attacker to execute code o Heap-based buffer overflow in Windows Text Shaping allows an unauthorized attacker to execute code over a network.

CVE-2026-50686 [HIGH] CWE-843 CVE-2026-50686: Access of resource using incompatible type ('type confusion') in Windows OLE allows an unauthorized Access of resource using incompatible type ('type confusion') in Windows OLE allows an unauthorized attacker to execute code over a network.

CVE-2026-85371 [HIGH] CWE-416 CVE-2026-85371: Use after free in Network Policy Server (NPS) allows an unauthorized attacker to execute code over a Use after free in Network Policy Server (NPS) allows an unauthorized attacker to execute code over a network.

CVE-2026-69830 [HIGH] CWE-362 CVE-2026-69830: Concurrent execution using shared resource with improper synchronization ('race condition') in Windo Concurrent execution using shared resource with improper synchronization ('race condition') in Windows DHCP Server allows an unauthorized attacker to execute code over a network.

CVE-2025-54110 [HIGH] CWE-190 CVE-2025-54110: Integer overflow or wraparound in Windows Kernel allows an authorized attacker to elevate privileges Integer overflow or wraparound in Windows Kernel allows an authorized attacker to elevate privileges locally.

CVE-2026-88174 [HIGH] CWE-362 CVE-2026-88174: Concurrent execution using shared resource with improper synchronization ('race condition') in Windo Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Deployment Services allows an unauthorized attacker to execute code over a network.

CVE-2020-16911 [HIGH] CVE-2020-16911: <p>A remote code execution vulnerability exists in the way that the Windows Graphics Device Interfac A remote code execution vulnerability exists in the way that the Windows Graphics Device Interface (GDI) handles objects in the memory. An attacker who successfully exploited this vulnerability could take control of the affected system. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights. Users w

CVE-2026-42980 [HIGH] CWE-122 CVE-2026-42980: Integer underflow (wrap or wraparound) in Windows NT OS Kernel allows an authorized attacker to elev Integer underflow (wrap or wraparound) in Windows NT OS Kernel allows an authorized attacker to elevate privileges locally.

CVE-2023-21818 [HIGH] CWE-20 CVE-2023-21818: Windows Secure Channel Denial of Service Vulnerability Windows Secure Channel Denial of Service Vulnerability

CVE-2020-0761 [HIGH] CVE-2020-0761: <p>A remote code execution vulnerability exists when Active Directory integrated DNS (ADIDNS) mishan A remote code execution vulnerability exists when Active Directory integrated DNS (ADIDNS) mishandles objects in memory. An authenticated attacker who successfully exploited the vulnerability could run arbitrary code in the context of the Local System Account To exploit the vulnerability, an authenticated attacker could send malicious requests to an Active Dire

CVE-2020-0718 [HIGH] CVE-2020-0718: <p>A remote code execution vulnerability exists when Active Directory integrated DNS (ADIDNS) mishan A remote code execution vulnerability exists when Active Directory integrated DNS (ADIDNS) mishandles objects in memory. An authenticated attacker who successfully exploited the vulnerability could run arbitrary code in the context of the Local System Account To exploit the vulnerability, an authenticated attacker could send malicious requests to an Active Dire

CVE-2026-70207 [HIGH] CWE-122 CVE-2026-70207: Heap-based buffer overflow in Network Policy Server (NPS) allows an authorized attacker to execute c Heap-based buffer overflow in Network Policy Server (NPS) allows an authorized attacker to execute code over a network.

CVE-2026-69514 [HIGH] CWE-122 CVE-2026-69514: Heap-based buffer overflow in Windows Remote Desktop Services allows an authorized attacker to execu Heap-based buffer overflow in Windows Remote Desktop Services allows an authorized attacker to execute code over a network.

CVE-2026-69688 [HIGH] CWE-122 CVE-2026-69688: Heap-based buffer overflow in Windows Encrypting File System (EFS) allows an authorized attacker to Heap-based buffer overflow in Windows Encrypting File System (EFS) allows an authorized attacker to elevate privileges over a network.

CVE-2026-33829 [MEDIUM] CWE-200 CVE-2026-33829: Exposure of sensitive information to an unauthorized actor in Windows Snipping Tool allows an unauth Exposure of sensitive information to an unauthorized actor in Windows Snipping Tool allows an unauthorized attacker to perform spoofing over a network.

CVE-2021-1674 [HIGH] CVE-2021-1674: Windows Remote Desktop Protocol Core Security Feature Bypass Vulnerability Windows Remote Desktop Protocol Core Security Feature Bypass Vulnerability

CVE-2020-1067 [HIGH] CVE-2020-1067: A remote code execution vulnerability exists in the way that Windows handles objects in memory. An a A remote code execution vulnerability exists in the way that Windows handles objects in memory. An attacker who successfully exploited the vulnerability could execute arbitrary code with elevated permissions on a target system. To exploit the vulnerability, an attacker who has a domain user account could create a specially crafted request, causing Windows to ex

CVE-2021-28327 [HIGH] CVE-2021-28327: Remote Procedure Call Runtime Remote Code Execution Vulnerability Remote Procedure Call Runtime Remote Code Execution Vulnerability

CVE-2021-28340 [HIGH] CVE-2021-28340: Remote Procedure Call Runtime Remote Code Execution Vulnerability Remote Procedure Call Runtime Remote Code Execution Vulnerability