Microsoft Windows Improper Access Control Vulnerability (CVE-2025-59230)
Severity: high · Patch status: unknown · Since 2025-10-14 · 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 added CVE-2025-59230 to its Known Exploited Vulnerabilities catalog on Oct 14, 2025, which means attackers are exploiting it in the wild.
What to do
- Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
- US federal agencies must remediate by Nov 4, 2025 (BOD 22-01); treat that as the outer limit.
Sources
All live incidents on Threat Watch