CVE-2026-20856

CVE-2026-20856 is a Windows Server Update Services (WSUS) remote code execution vulnerability caused by improper input validation. Exploitation is possible over a network with no user interaction; CVSSv3.1 base score 8.1 (High). Public references note this is addressed by January 2026 security up...

CVE-2026-20856: Improper Input Validation

Improper input validation in Windows Server Update Service allows an unauthorized attacker to execute code over a network...

PT-2026-2701

Name of the Vulnerable Software and Affected Versions Windows Server Update Service affected versions not specified Description A flaw in input validation within Windows Server Update Service could allow a remote attacker to execute code on the network. This could lead to arbitrary code execution...

Exploit for Deserialization of Untrusted Data in Microsoft

CVE-2025-59287 ⚠ This tool is created solely for educatio...

Exploit for Deserialization of Untrusted Data in Microsoft

CVE-2025-59287 ⚠ This tool is created solely for education...

Exploit for Deserialization of Untrusted Data in Microsoft

🚨 ALERTA CRÍTICA DE CIBERSEGURIDAD: RCE en WSUS CVE-2025-5928...

Exploit for CVE-2025-59287

In this study, we will examine a critical vulnerability CVE-202...

📄 Microsoft Windows Server Update Services Remote Code Execution

This is a proof of concept exploit for Microsoft Windows Server Update Services that leverages an unsafe deserialization of untrusted data in WSUS's AuthorizationCookie handling. This file demonstrates payload generation in C. using System; using System.IO; using System.Security.Cryptography; usi...

CVE-2025-59287

Deserialization of untrusted data in Windows Server Update Service allows an unauthorized attacker to execute code over a network...

EUVD-2025-34268

Deserialization of untrusted data in Windows Server Update Service allows an unauthorized attacker to execute code over a network...

CVE-2025-59287

Deserialization of untrusted data in Windows Server Update Service allows an unauthorized attacker to execute code over a network...

CVE-2025-59287 Windows Server Update Service (WSUS) Remote Code Execution Vulnerability

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October 24, 2025—KB5070892 (OS Build 20348.4297) Security Update for Windows Server Update Services

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October 24, 2025—KB5070893 (OS Build 26100.6905) Security Update for Windows Server Update Services

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CVE-2025-59287: Deserialization of Untrusted Data

Deserialization of untrusted data in Windows Server Update Service allows an unauthorized attacker to execute code over a network...

KB5066875: Windows Server 2012 Security Update (October 2025)

The remote Windows host is missing security update 5066875. It is, therefore, affected by multiple vulnerabilities - tifpredict.h and tifpredict.c in libtiff 4.0.6 have assertions that can lead to assertion failures in debug mode, or buffer overflows in release mode, when dealing with unusual til...

EUVD-2023-36343

Malicious code in bioql PyPI...

EUVD-2023-39320

Malicious code in bioql PyPI...

June 10, 2025—KB5061018 (Monthly Rollup)

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KB5062570: Windows Server version 23H2 Security Update (July 2025)

The remote Windows host is missing security update 5062570. It is, therefore, affected by multiple vulnerabilities - Buffer over-read in Windows TDX.sys allows an authorized attacker to elevate privileges locally. CVE-2025-49659 - Improper link resolution before file access 'link following' in...