Microsoft Windows Server 2016 vulnerabilities

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-2026-50300 [MEDIUM] CWE-125 CVE-2026-50300: Integer underflow (wrap or wraparound) in Windows Kernel allows an authorized attacker to disclose i Integer underflow (wrap or wraparound) in Windows Kernel 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-2025-55229 [MEDIUM] CWE-347 CVE-2025-55229: Improper verification of cryptographic signature in Windows Certificates allows an unauthorized atta Improper verification of cryptographic signature in Windows Certificates allows an unauthorized attacker to perform spoofing over a network.

CVE-2024-6768 [MEDIUM] CWE-1284 CVE-2024-6768: A Denial of Service in CLFS.sys in Microsoft Windows 10, Windows 11, Windows Server 2016, Windows Se A Denial of Service in CLFS.sys in Microsoft Windows 10, Windows 11, Windows Server 2016, Windows Server 2019, and Windows Server 2022 allows a malicious authenticated low-privilege user to cause a Blue Screen of Death via a forced call to the KeBugCheckEx function.

CVE-2023-20569 [MEDIUM] CWE-203 CVE-2023-20569: A side channel vulnerability on some of the AMD CPUs may allow an attacker to influence the retur A side channel vulnerability on some of the AMD CPUs may allow an attacker to influence the return address prediction. This may result in speculative execution at an attacker-controlled address, potentially leading to information disclosure.

CVE-2020-1398 [MEDIUM] CVE-2020-1398: An elevation of privilege vulnerability exists when Windows Lockscreen fails to properly handle Ease An elevation of privilege vulnerability exists when Windows Lockscreen fails to properly handle Ease of Access dialog.An attacker who successfully exploited the vulnerability could execute commands with elevated permissions.The security update addresses the vulnerability by ensuring that the Ease of Access dialog is handled properly., aka 'Windows Lockscreen

CVE-2020-17099 [MEDIUM] CVE-2020-17099: Windows Lock Screen Security Feature Bypass Vulnerability Windows Lock Screen Security Feature Bypass Vulnerability

CVE-2020-0689 [MEDIUM] CVE-2020-0689: A security feature bypass vulnerability exists in secure boot, aka 'Microsoft Secure Boot Security F A security feature bypass vulnerability exists in secure boot, aka 'Microsoft Secure Boot Security Feature Bypass Vulnerability'.

CVE-2020-1512 [MEDIUM] CVE-2020-1512: An information disclosure vulnerability exists when the Windows State Repository Service improperly An information disclosure vulnerability exists when the Windows State Repository Service improperly handles objects in memory. An attacker who successfully exploited this vulnerability could obtain information to further compromise the user’s system. An attacker could exploit this vulnerability by running a specially crafted application on the victim system. T

CVE-2021-27079 [MEDIUM] CVE-2021-27079: Windows Media Photo Codec Information Disclosure Vulnerability Windows Media Photo Codec Information Disclosure Vulnerability