Risk Letters

Exploited vulnerability

CVE-2025-59230

TLP:CLEAR

Microsoft Windows Improper Access Control Vulnerability

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

Facts

  • Vendor: Microsoft
  • Product: Windows
  • CVSS: 7.8
  • EPSS (probability of exploitation within 30 days): 2.7 %
  • On CISA's Known Exploited Vulnerabilities list since: 14 October 2025
  • First known exploitation: 14 October 2025
  • CISA's deadline for US federal agencies: 4 November 2025
  • Weakness: CWE-284
  • First seen by Risk Letters: 14 October 2025

Members see which Nordic sectors the flaw hits, and what to do about it.

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Data: NVD (public domain), CISA KEV, FIRST EPSS, MITRE ATT&CK, AlienVault OTX. NVD