Microsoft Rushes Critical Windows Server Patch After Exploit Code Emerges

Microsoft has rapidly deployed a critical patch for Windows Server after exploit code for a severe flaw in Windows Server Update Services emerged online, posing significant security risks.

• On October 14, 2025, Microsoft released an emergency patch addressing CVE-2025-59287, a vulnerability in Windows Server Update Services that could lead to arbitrary code execution.
• The flaw, described as a deserialization of untrusted data, threatens the integrity of systems managed through Windows Server, potentially allowing attackers to execute malicious code.
• The timely out-of-band update reflects Microsofts commitment to security, as the threat was identified following the public release of exploit code targeting the Windows Server Update Services.