Known Exploited Vulnerability

CVE-2025-59230

Microsoft Windows Improper Access Control Vulnerability

Past federal due date Added 14 Oct 2025 Due 04 Nov 2025 · 271 days ago
VendorMicrosoft
ProductWindows
WeaknessCWE-284
RansomwareNone confirmed

What the flaw is

Microsoft Windows contains an improper access control vulnerability in Windows Remote Access Connection Manager which could allow an authorized attacker to elevate privileges locally.

Description as published by CISA. We have not independently reproduced it.

What CISA requires

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

This deadline is binding on US federal civilian agencies under BOD 22-01. It is not a legal deadline for anyone else, but it is a useful urgency signal — CISA sets it by how actively the flaw is being used, not by CVSS.

Public exploit code

We hold no public exploit references for this CVE. That means our dataset has none — it is not evidence that no exploit exists. CISA has confirmed this vulnerability is being exploited in the wild regardless.

Vendor advisories

Primary sources

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Source: CISA KEV catalog · last verified July 31, 2026. Rebuilt automatically twice a day.