Microsoft Windows Server 2008 Service Pack 2 vulnerabilities

CVE-2025-53778 [HIGH] CWE-287 CVE-2025-53778: Improper authentication in Windows NTLM allows an authorized attacker to elevate privileges over a n Improper authentication in Windows NTLM allows an authorized attacker to elevate privileges over a network.

CVE-2026-20929 [HIGH] CWE-284 CVE-2026-20929: Improper access control in Windows HTTP.sys allows an authorized attacker to elevate privileges over Improper access control in Windows HTTP.sys allows an authorized attacker to elevate privileges over a network.

CVE-2021-28476 [CRITICAL] CVE-2021-28476: Windows Hyper-V Remote Code Execution Vulnerability Windows Hyper-V Remote Code Execution Vulnerability

CVE-2022-21972 [HIGH] CVE-2022-21972: Windows Point-to-Point Tunneling Protocol Remote Code Execution Vulnerability Windows Point-to-Point Tunneling Protocol Remote Code Execution Vulnerability

CVE-2025-50154 [MEDIUM] CWE-200 CVE-2025-50154: Exposure of sensitive information to an unauthorized actor in Windows File Explorer allows an unauth Exposure of sensitive information to an unauthorized actor in Windows File Explorer allows an unauthorized attacker to perform spoofing over a network.

CVE-2022-23270 [HIGH] CVE-2022-23270: Windows Point-to-Point Tunneling Protocol Remote Code Execution Vulnerability Windows Point-to-Point Tunneling Protocol Remote Code Execution Vulnerability

CVE-2020-1337 [HIGH] CWE-367 CVE-2020-1337: An elevation of privilege vulnerability exists when the Windows Print Spooler service improperly all An elevation of privilege vulnerability exists when the Windows Print Spooler service improperly allows arbitrary writing to the file system. An attacker who successfully exploited this vulnerability could run arbitrary code with elevated system privileges. An attacker could then install programs; view, change, or delete data; or create new accounts wit

CVE-2025-47987 [HIGH] CWE-122 CVE-2025-47987: Heap-based buffer overflow in Windows Cred SSProvider Protocol allows an authorized attacker to elev Heap-based buffer overflow in Windows Cred SSProvider Protocol allows an authorized attacker to elevate privileges locally.

CVE-2023-21692 [CRITICAL] CWE-122 CVE-2023-21692: Microsoft Protected Extensible Authentication Protocol (PEAP) Remote Code Execution Vulnerability Microsoft Protected Extensible Authentication Protocol (PEAP) Remote Code Execution Vulnerability

CVE-2021-24074 [CRITICAL] CVE-2021-24074: Windows TCP/IP Remote Code Execution Vulnerability Windows TCP/IP Remote Code Execution Vulnerability

CVE-2025-54918 [HIGH] CWE-287 CVE-2025-54918: Improper authentication in Windows NTLM allows an authorized attacker to elevate privileges over a n Improper authentication in Windows NTLM allows an authorized attacker to elevate privileges over a network.

CVE-2021-24094 [CRITICAL] CVE-2021-24094: Windows TCP/IP Remote Code Execution Vulnerability Windows TCP/IP Remote Code Execution Vulnerability

CVE-2025-55234 [CRITICAL] CWE-287 CVE-2025-55234: SMB Server might be susceptible to relay attacks depending on the configuration. An attacker who suc SMB Server might be susceptible to relay attacks depending on the configuration. An attacker who successfully exploited these vulnerabilities could perform relay attacks and make the users subject to elevation of privilege attacks. The SMB Server already supports mechanisms for hardening against relay attacks: SMB Server signing SMB Server Extend

CVE-2023-36397 [CRITICAL] CWE-126 CVE-2023-36397: Windows Pragmatic General Multicast (PGM) Remote Code Execution Vulnerability Windows Pragmatic General Multicast (PGM) Remote Code Execution Vulnerability

CVE-2021-26877 [CRITICAL] CVE-2021-26877: Windows DNS Server Remote Code Execution Vulnerability Windows DNS Server Remote Code Execution Vulnerability

CVE-2024-38144 [HIGH] CWE-190 CVE-2024-38144: Kernel Streaming WOW Thunk Service Driver Elevation of Privilege Vulnerability Kernel Streaming WOW Thunk Service Driver Elevation of Privilege Vulnerability

CVE-2025-49683 [HIGH] CWE-122 CVE-2025-49683: Integer overflow or wraparound in Virtual Hard Disk (VHDX) allows an unauthorized attacker to execut Integer overflow or wraparound in Virtual Hard Disk (VHDX) allows an unauthorized attacker to execute code locally.

CVE-2023-28293 [HIGH] CWE-191 CVE-2023-28293: Windows Kernel Elevation of Privilege Vulnerability Windows Kernel Elevation of Privilege Vulnerability

CVE-2024-21357 [HIGH] CWE-843 CVE-2024-21357: Windows Pragmatic General Multicast (PGM) Remote Code Execution Vulnerability Windows Pragmatic General Multicast (PGM) Remote Code Execution Vulnerability

CVE-2025-49730 [HIGH] CWE-122 CVE-2025-49730: Time-of-check time-of-use (toctou) race condition in Microsoft Windows QoS scheduler allows an autho Time-of-check time-of-use (toctou) race condition in Microsoft Windows QoS scheduler allows an authorized attacker to elevate privileges locally.