Microsoft Windows Server 2016 vulnerabilities

CVE-2026-68876 [HIGH] CWE-122 CVE-2026-68876: Heap-based buffer overflow in Windows Program Compatibility Assistant Service allows an authorized a Heap-based buffer overflow in Windows Program Compatibility Assistant Service allows an authorized attacker to elevate privileges over a network.

CVE-2026-69271 [HIGH] CWE-122 CVE-2026-69271: Heap-based buffer overflow in Microsoft Standard XPS allows an authorized attacker to elevate privil Heap-based buffer overflow in Microsoft Standard XPS allows an authorized attacker to elevate privileges over a network.

CVE-2026-69363 [HIGH] CWE-122 CVE-2026-69363: Heap-based buffer overflow in Windows Error Reporting allows an authorized attacker to elevate privi Heap-based buffer overflow in Windows Error Reporting allows an authorized attacker to elevate privileges over a network.

CVE-2018-8553 [HIGH] CVE-2018-8553: A remote code execution vulnerability exists in the way that Microsoft Graphics Components handle ob A remote code execution vulnerability exists in the way that Microsoft Graphics Components handle objects in memory, aka "Microsoft Graphics Components Remote Code Execution Vulnerability." This affects Windows 7, Windows Server 2012 R2, Windows RT 8.1, Windows Server 2008, Windows Server 2012, Windows 8.1, Windows Server 2016, Windows Server 2008 R2, Windows 1

CVE-2019-1280 [HIGH] CWE-59 CVE-2019-1280: A remote code execution vulnerability exists in Microsoft Windows that could allow remote code execu A remote code execution vulnerability exists in Microsoft Windows that could allow remote code execution if a .LNK file is processed.An attacker who successfully exploited this vulnerability could gain the same user rights as the local user, aka 'LNK Remote Code Execution Vulnerability'.

CVE-2020-1317 [HIGH] CVE-2020-1317: An elevation of privilege vulnerability exists when Group Policy improperly checks access, aka 'Grou An elevation of privilege vulnerability exists when Group Policy improperly checks access, aka 'Group Policy Elevation of Privilege Vulnerability'.

CVE-2026-83699 [HIGH] CWE-121 CVE-2026-83699: Stack-based buffer overflow in Windows Client-Side Caching (CSC) Service allows an authorized attack Stack-based buffer overflow in Windows Client-Side Caching (CSC) Service allows an authorized attacker to elevate privileges locally.

CVE-2026-69455 [HIGH] CWE-122 CVE-2026-69455: Heap-based buffer overflow in Windows Remote Access Connection Manager allows an authorized attacker Heap-based buffer overflow in Windows Remote Access Connection Manager allows an authorized attacker to elevate privileges locally.

CVE-2026-62758 [HIGH] CWE-122 CVE-2026-62758: Heap-based buffer overflow in Windows Remote Access Connection Manager allows an authorized attacker Heap-based buffer overflow in Windows Remote Access Connection Manager allows an authorized attacker to elevate privileges locally.

CVE-2026-62755 [HIGH] CWE-121 CVE-2026-62755: Stack-based buffer overflow in Windows DHCP Client allows an authorized attacker to elevate privileg Stack-based buffer overflow in Windows DHCP Client allows an authorized attacker to elevate privileges locally.

CVE-2020-17049 [HIGH] CWE-863 CVE-2020-17049: A security feature bypass vulnerability exists in the way Key Distribution Center (KDC) determines i A security feature bypass vulnerability exists in the way Key Distribution Center (KDC) determines if a service ticket can be used for delegation via Kerberos Constrained Delegation (KCD). To exploit the vulnerability, a compromised service that is configured to use KCD could tamper with a service ticket that is not valid for delegation to force the K

CVE-2026-20926 [HIGH] CWE-362 CVE-2026-20926: Concurrent execution using shared resource with improper synchronization ('race condition') in Windo Concurrent execution using shared resource with improper synchronization ('race condition') in Windows SMB Server allows an authorized attacker to elevate privileges over a network.

CVE-2026-20919 [HIGH] CWE-362 CVE-2026-20919: Concurrent execution using shared resource with improper synchronization ('race condition') in Windo Concurrent execution using shared resource with improper synchronization ('race condition') in Windows SMB Server allows an authorized attacker to elevate privileges over a network.

CVE-2026-70014 [HIGH] CWE-416 CVE-2026-70014: Use after free in Windows Cryptographic Services allows an authorized attacker to execute code over Use after free in Windows Cryptographic Services allows an authorized attacker to execute code over a network.

CVE-2026-20848 [HIGH] CWE-362 CVE-2026-20848: Concurrent execution using shared resource with improper synchronization ('race condition') in Windo Concurrent execution using shared resource with improper synchronization ('race condition') in Windows SMB Server allows an authorized attacker to elevate privileges over a network.

CVE-2026-20934 [HIGH] CWE-362 CVE-2026-20934: Concurrent execution using shared resource with improper synchronization ('race condition') in Windo Concurrent execution using shared resource with improper synchronization ('race condition') in Windows SMB Server allows an authorized attacker to elevate privileges over a network.

CVE-2026-62813 [HIGH] CWE-416 CVE-2026-62813: Use after free in Active Directory Domain Services allows an authorized attacker to execute code ove Use after free in Active Directory Domain Services allows an authorized attacker to execute code over a network.

CVE-2026-62787 [HIGH] CWE-416 CVE-2026-62787: Use after free in Windows DNS allows an authorized attacker to execute code over a network. Use after free in Windows DNS allows an authorized attacker to execute code over a network.

CVE-2026-50685 [HIGH] CWE-415 CVE-2026-50685: Double free in Windows DHCP Server allows an authorized attacker to execute code over a network. Double free in Windows DHCP Server allows an authorized attacker to execute code over a network.

CVE-2020-1061 [HIGH] CWE-787 CVE-2020-1061: A remote code execution vulnerability exists in the way that the Microsoft Script Runtime handles ob A remote code execution vulnerability exists in the way that the Microsoft Script Runtime handles objects in memory. The vulnerability could corrupt memory in such a way that an attacker could execute arbitrary code in the context of the current user. An attacker who successfully exploited the vulnerability could gain the same user rights as the current