CVE-2025-59230: Microsoft Windows privilege escalation in Remote Access Connection Manager

CVE-2025-59230 · Severity: critical · CVSS 7.8 · Exploited in the wild · Published 2025-10-14

A vulnerability exists in the Windows Remote Access Connection Manager, a component that handles network connections to remote computers. An attacker who already has basic access to a computer could exploit this flaw to gain full administrative control over the system. This vulnerability is known to be actively exploited in the wild, making it a high priority for remediation.

Technologies: Microsoft Windows. Vendors: Microsoft.

Quick answers

Is CVE-2025-59230 exploited in the wild?
Yes. CVE-2025-59230 is known to be exploited in the wild, first recorded on 14 October 2025. Treat it as urgent.
How severe is CVE-2025-59230?
Critical severity, with a CVSS score of 7.8, published 14 October 2025.
Which products and versions are affected?
Microsoft Windows Windows 10, Windows 11, Windows Server 2008, 2012, 2016, 2019, 2022, 2025.
Is there a fix for CVE-2025-59230?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
How is CVE-2025-59230 attacked?
It is attacked with local access, in an operating system.
Am I affected by CVE-2025-59230?
Check whether you run Microsoft Windows. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Technical details

An improper access control vulnerability (CWE-284) exists in the Windows Remote Access Connection Manager (RasMan) service. The flaw allows a locally authenticated attacker with low privileges to bypass security restrictions and elevate their permissions to a higher level, potentially SYSTEM. The attack vector is local, requiring the attacker to already have execution capabilities on the target host. This vulnerability has been added to the CISA Known Exploited Vulnerabilities (KEV) catalog, indicating active exploitation. Microsoft has released security updates to address this issue across supported versions of Windows and Windows Server.

Affected products

  • Microsoft Windows Windows 10, Windows 11, Windows Server 2008, 2012, 2016, 2019, 2022, 2025

Timeline

  • 2025-10-14: disclosed
  • 2025-10-14: advisory
  • 2025-10-14: kev added: Added to CISA KEV catalog
  • 2025-10-14: exploited

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