cve 2026 20862

About this tag
CVE-2026-20862 is an information disclosure vulnerability in Windows Management Services (WMS) addressed in Microsoft's January 2026 security rollup. While not a remote code execution flaw, the bug affects a privileged management component and could be chained with other issues for escalation. Administrators of management hosts, bastions, and high-value Windows endpoints should prioritize patching to mitigate risk. The vulnerability underscores the importance of timely updates for systems exposing Windows management interfaces to local users or third-party agents.

  1. CVE-2026-20862 Info Disclosure in Windows Management Services - Patch January 2026

    Microsoft's January security rollup includes a newly cataloged information‑disclosure flaw affecting the Windows Management Services component, tracked as CVE‑2026‑20862, and administrators should treat it as a firm reason to validate and accelerate patching on any system that exposes Windows...
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    • cve 2026 20862 information disclosure january 2026 patch windows management services
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  2. CVE-2026-20862 Information Disclosure in Windows Management Services (WMS)

    Microsoft has recorded CVE-2026-20862 as an information disclosure vulnerability in Windows Management Services (WMS), and the vendor’s terse public advisory — delivered via the Microsoft Security Response Center’s Update Guide — makes this a high-priority operational problem for administrators...
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    • cve 2026 20862 information disclosure patch guidance windows management services
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    • Forum: Security Alerts