Microsoft Windows Server 2016 vulnerabilities

CVE-2025-27738 [MEDIUM] CWE-284 CVE-2025-27738: Improper access control in Windows Resilient File System (ReFS) allows an authorized attacker to dis Improper access control in Windows Resilient File System (ReFS) allows an authorized attacker to disclose information over a network.

CVE-2025-29842 [HIGH] CWE-349 CVE-2025-29842: Acceptance of extraneous untrusted data with trusted data in UrlMon allows an unauthorized attacker Acceptance of extraneous untrusted data with trusted data in UrlMon allows an unauthorized attacker to bypass a security feature over a network.

CVE-2026-27908 [HIGH] CWE-416 CVE-2026-27908: Use after free in Windows TDI Translation Driver (tdx.sys) allows an authorized attacker to elevate Use after free in Windows TDI Translation Driver (tdx.sys) allows an authorized attacker to elevate privileges locally.

CVE-2025-25004 [HIGH] CWE-284 CVE-2025-25004: Improper access control in Microsoft PowerShell allows an authorized attacker to elevate privileges Improper access control in Microsoft PowerShell allows an authorized attacker to elevate privileges locally.

CVE-2026-27921 [HIGH] CWE-362 CVE-2026-27921: Concurrent execution using shared resource with improper synchronization ('race condition') in Windo Concurrent execution using shared resource with improper synchronization ('race condition') in Windows TCP/IP allows an authorized attacker to elevate privileges locally.

CVE-2019-1198 [MEDIUM] CVE-2019-1198: An elevation of privilege exists in SyncController.dll. An attacker who successfully exploited the v An elevation of privilege exists in SyncController.dll. An attacker who successfully exploited the vulnerability could run arbitrary code with elevated privileges. To exploit the vulnerability, an attacker could run a specially crafted application that could exploit the vulnerability. This vulnerability by itself does not allow arbitrary code to be run. Howev

CVE-2018-8340 [MEDIUM] CVE-2018-8340: A security feature bypass vulnerability exists when Active Directory Federation Services (AD FS) imp A security feature bypass vulnerability exists when Active Directory Federation Services (AD FS) improperly handles multi-factor authentication requests, aka "AD FS Security Feature Bypass Vulnerability." This affects Windows Server 2016, Windows Server 2012 R2, Windows 10 Servers.

CVE-2020-0836 [HIGH] CVE-2020-0836: <p>A denial of service vulnerability exists in Windows DNS when it fails to properly handle queries. A denial of service vulnerability exists in Windows DNS when it fails to properly handle queries. An attacker who successfully exploited this vulnerability could cause the DNS service to become nonresponsive. To exploit the vulnerability, an authenticated attacker could send malicious DNS queries to a target, resulting in a denial of service. The update address

CVE-2026-41108 [HIGH] CWE-122 CVE-2026-41108: Heap-based buffer overflow in Microsoft Windows DNS allows an authorized attacker to elevate privile Heap-based buffer overflow in Microsoft Windows DNS allows an authorized attacker to elevate privileges locally.

CVE-2026-45653 [HIGH] CWE-122 CVE-2026-45653: Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges loc Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges locally.

CVE-2019-0865 [HIGH] CVE-2019-0865: A denial of service vulnerability exists when SymCrypt improperly handles a specially crafted digita A denial of service vulnerability exists when SymCrypt improperly handles a specially crafted digital signature.An attacker could exploit the vulnerability by creating a specially crafted connection or message.The security update addresses the vulnerability by correcting the way SymCrypt handles digital signatures., aka 'SymCrypt Denial of Service Vulnerability

CVE-2025-49670 [MEDIUM] CWE-122 CVE-2025-49670: Heap-based buffer overflow in Windows Routing and Remote Access Service (RRAS) allows an unauthorize Heap-based buffer overflow in Windows Routing and Remote Access Service (RRAS) allows an unauthorized attacker to execute code over a network.

CVE-2020-1212 [HIGH] CVE-2020-1212: An elevation of privilege vulnerability exists when an OLE Automation component improperly handles m An elevation of privilege vulnerability exists when an OLE Automation component improperly handles memory.To exploit this vulnerability, an attacker would first have to gain execution on the victim system, aka 'OLE Automation Elevation of Privilege Vulnerability'.

CVE-2021-1710 [HIGH] CVE-2021-1710: Microsoft Windows Media Foundation Remote Code Execution Vulnerability Microsoft Windows Media Foundation Remote Code Execution Vulnerability

CVE-2021-31976 [HIGH] CVE-2021-31976: Server for NFS Information Disclosure Vulnerability Server for NFS Information Disclosure Vulnerability

CVE-2021-31975 [HIGH] CVE-2021-31975: Server for NFS Information Disclosure Vulnerability Server for NFS Information Disclosure Vulnerability

CVE-2020-1473 [HIGH] CVE-2020-1473: A remote code execution vulnerability exists when the Windows Jet Database Engine improperly handles A remote code execution vulnerability exists when the Windows Jet Database Engine improperly handles objects in memory. An attacker who successfully exploited this vulnerability could execute arbitrary code on a victim system. An attacker could exploit this vulnerability by enticing a victim to open a specially crafted file. The update addresses the vulnerabili

CVE-2022-29105 [HIGH] CVE-2022-29105: Microsoft Windows Media Foundation Remote Code Execution Vulnerability Microsoft Windows Media Foundation Remote Code Execution Vulnerability

CVE-2021-24083 [HIGH] CWE-787 CVE-2021-24083: Windows Address Book Remote Code Execution Vulnerability Windows Address Book Remote Code Execution Vulnerability

CVE-2021-34439 [HIGH] CVE-2021-34439: Microsoft Windows Media Foundation Remote Code Execution Vulnerability Microsoft Windows Media Foundation Remote Code Execution Vulnerability