windows wsim security

About this tag
The windows wsim security tag covers vulnerabilities and patching guidance for Windows System Image Manager (WSIM), a component of the Windows Assessment and Deployment Kit (ADK). Recent content focuses on CVE-2026-25166, a deserialization flaw in WSIM that allows local low-privilege attackers to achieve remote code execution by supplying crafted data. Microsoft has addressed this issue in its Security Update Guide, and discussions include patch deployment steps and risk mitigation for enterprise IT environments using WSIM for Windows image customization and deployment.

  1. CVE-2026-25166 WSIM Deserialization in Windows ADK Patch Guide

    Microsoft has added CVE‑2026‑25166 to its Security Update Guide for the Windows Assessment and Deployment Kit (ADK), identifying a deserialization flaw in Windows System Image Manager (WSIM) that can lead to remote code execution — in practice, a local attacker with low‑privilege access can...
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    • Forum: Security Alerts