Microsoft Windows Server 2012 R2 vulnerabilities

CVE-2026-50294 [MEDIUM] CWE-497 CVE-2026-50294: Exposure of sensitive system information to an unauthorized control sphere in Windows Kernel allows Exposure of sensitive system information to an unauthorized control sphere in Windows Kernel allows an unauthorized attacker to disclose information locally.

CVE-2025-32722 [MEDIUM] CWE-284 CVE-2025-32722: Improper access control in Windows Storage Port Driver allows an authorized attacker to disclose inf Improper access control in Windows Storage Port Driver allows an authorized attacker to disclose information locally.

CVE-2026-25180 [MEDIUM] CWE-125 CVE-2026-25180: Out-of-bounds read in Microsoft Graphics Component allows an unauthorized attacker to disclose infor Out-of-bounds read in Microsoft Graphics Component allows an unauthorized attacker to disclose information locally.

CVE-2026-25186 [MEDIUM] CWE-200 CVE-2026-25186: Exposure of sensitive information to an unauthorized actor in Windows Accessibility Infrastructure ( Exposure of sensitive information to an unauthorized actor in Windows Accessibility Infrastructure (ATBroker.exe) allows an authorized attacker to disclose information locally.

CVE-2025-54101 [MEDIUM] CWE-416 CVE-2025-54101: Use after free in Windows SMBv3 Client allows an authorized attacker to execute code over a network. Use after free in Windows SMBv3 Client allows an authorized attacker to execute code over a network.

CVE-2025-47160 [MEDIUM] CWE-693 CVE-2025-47160: Protection mechanism failure in Windows Shell allows an unauthorized attacker to bypass a security f Protection mechanism failure in Windows Shell allows an unauthorized attacker to bypass a security feature over a network.

CVE-2026-20833 [MEDIUM] CWE-327 CVE-2026-20833: Use of a broken or risky cryptographic algorithm in Windows Kerberos allows an authorized attacker t Use of a broken or risky cryptographic algorithm in Windows Kerberos allows an authorized attacker to disclose information locally.

CVE-2026-50690 [MEDIUM] CWE-908 CVE-2026-50690: Use of uninitialized resource in Windows SMB allows an authorized attacker to disclose information l Use of uninitialized resource in Windows SMB allows an authorized attacker to disclose information locally.

CVE-2026-49180 [MEDIUM] CWE-59 CVE-2026-49180: Improper link resolution before file access ('link following') in Universal Plug and Play (upnp.dll) Improper link resolution before file access ('link following') in Universal Plug and Play (upnp.dll) allows an authorized attacker to disclose information locally.

CVE-2026-49801 [MEDIUM] CWE-908 CVE-2026-49801: Use of uninitialized resource in Windows SMB allows an authorized attacker to disclose information l Use of uninitialized resource in Windows SMB allows an authorized attacker to disclose information locally.

CVE-2026-49177 [MEDIUM] CWE-125 CVE-2026-49177: Out-of-bounds read in Windows TCP/IP allows an authorized attacker to disclose information locally. Out-of-bounds read in Windows TCP/IP allows an authorized attacker to disclose information locally.

CVE-2026-54997 [MEDIUM] CWE-908 CVE-2026-54997: Use of uninitialized resource in Windows SMB allows an authorized attacker to disclose information l Use of uninitialized resource in Windows SMB allows an authorized attacker to disclose information locally.

CVE-2026-58614 [MEDIUM] CWE-125 CVE-2026-58614: Out-of-bounds read in Windows Kernel allows an authorized attacker to bypass a security feature loca Out-of-bounds read in Windows Kernel allows an authorized attacker to bypass a security feature locally.

CVE-2026-58545 [MEDIUM] CWE-284 CVE-2026-58545: Improper access control in Windows Kernel allows an authorized attacker to bypass a security feature Improper access control in Windows Kernel allows an authorized attacker to bypass a security feature locally.

CVE-2019-1053 [MEDIUM] CWE-59 CVE-2019-1053: An elevation of privilege vulnerability exists when the Windows Shell fails to validate folder short An elevation of privilege vulnerability exists when the Windows Shell fails to validate folder shortcuts. An attacker who successfully exploited the vulnerability could elevate privileges by escaping a sandbox. To exploit this vulnerability, an attacker would require unprivileged execution on the victim system. The security update addresses the vulnera

CVE-2022-21928 [MEDIUM] CVE-2022-21928: Windows Resilient File System (ReFS) Remote Code Execution Vulnerability Windows Resilient File System (ReFS) Remote Code Execution Vulnerability

CVE-2021-1683 [MEDIUM] CVE-2021-1683: Microsoft is aware of the "Impersonation in the Passkey Entry Protocol" vulnerability. For Microsoft is aware of the "Impersonation in the Passkey Entry Protocol" vulnerability. For more information regarding the vulnerability, please see this statement from the Bluetooth SIG. To address the vulnerability, Microsoft has released a software update that will fail attempts to pair if the remote device exchanges a public key with the same X coordinate

CVE-2021-1684 [MEDIUM] CVE-2021-1684: Microsoft is aware of the "Impersonation in the Passkey Entry Protocol" vulnerability. For Microsoft is aware of the "Impersonation in the Passkey Entry Protocol" vulnerability. For more information regarding the vulnerability, please see this statement from the Bluetooth SIG. To address the vulnerability, Microsoft has released a software update that will fail attempts to pair if the remote device exchanges a public key with the same X coordinate

CVE-2018-8547 [MEDIUM] CWE-79 CVE-2018-8547: A cross-site-scripting (XSS) vulnerability exists when an open source customization for Microsoft Ac A cross-site-scripting (XSS) vulnerability exists when an open source customization for Microsoft Active Directory Federation Services (AD FS) does not properly sanitize a specially crafted web request to an affected AD FS server, aka "Active Directory Federation Services XSS Vulnerability." This affects Windows Server 2012 R2, Windows RT 8.1, Windows

CVE-2020-16914 [MEDIUM] CVE-2020-16914: <p>An information disclosure vulnerability exists in the way that the Windows Graphics Device Interf An information disclosure vulnerability exists in the way that the Windows Graphics Device Interface Plus (GDI+) handles objects in memory, allowing an attacker to retrieve information from a targeted system. By itself, the information disclosure does not allow arbitrary code execution; however, it could allow arbitrary code to be run if the attacker uses i