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Actively exploited

Listed in CISA’s Known Exploited Vulnerabilities catalog since October 14, 2025.

CVE-2025-59230

Microsoft Windows Improper Access Control Vulnerability

Microsoft · Windows

Added to KEV October 14, 2025

Alert details

Source feed
CISA KEV
CVE ID
CVE-2025-59230
CWE
CWE-284
Affected products
Windows · Microsoft Windows · Microsoft

What happened

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

What it means for your business

Microsoft Windows is listed in CISA's Known Exploited Vulnerabilities catalog (CVE-2025-59230). Microsoft Windows contains an improper access control vulnerability in Windows Remote Access Connection Manager which could allow an authorized attacker to elevate privileges locally. CISA remediation due date: 2025-11-04. If you need help checking exposure, call (864) 335-9223.

Required action

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

CISA due date: November 4, 2025

Sources

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