Microsoft Windows Server 2022 vulnerabilities

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-2026-20806 [MEDIUM] CWE-843 CVE-2026-20806: Access of resource using incompatible type ('type confusion') in Windows COM allows an authorized at Access of resource using incompatible type ('type confusion') in Windows COM 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-2026-50383 [MEDIUM] CWE-126 CVE-2026-50383: Buffer over-read in Windows Print Spooler Components allows an authorized attacker to disclose infor Buffer over-read in Windows Print Spooler Components 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-2026-50381 [MEDIUM] CWE-843 CVE-2026-50381: Access of resource using incompatible type ('type confusion') in Composite Image File System Driver Access of resource using incompatible type ('type confusion') in Composite Image File System Driver allows an authorized attacker to disclose information locally.

CVE-2026-50495 [MEDIUM] CWE-284 CVE-2026-50495: Improper access control in Microsoft Windows DNS allows an authorized attacker to perform tampering Improper access control in Microsoft Windows DNS allows an authorized attacker to perform tampering 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-2026-50303 [MEDIUM] CWE-1240 CVE-2026-50303: Use of a cryptographic primitive with a risky implementation in Windows Key Guard allows an authoriz Use of a cryptographic primitive with a risky implementation in Windows Key Guard 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-2022-44684 [MEDIUM] CVE-2022-44684: Windows Local Session Manager (LSM) Denial of Service Vulnerability Windows Local Session Manager (LSM) Denial of Service Vulnerability

CVE-2023-28270 [MEDIUM] CWE-863 CVE-2023-28270: Windows Lock Screen Security Feature Bypass Vulnerability Windows Lock Screen Security Feature Bypass Vulnerability