CVE-2025-59230
High 7.8 Exploited in the wild (KEV)
Confirmed active exploitation — CISA KEV catalog
- Name
- Microsoft Windows Improper Access Control Vulnerability
- Added to catalog
- Remediation due date (US federal)
- 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.
Description
Improper access control in Windows Remote Access Connection Manager allows an authorized attacker to elevate privileges locally.
Metrics
- CVSS 3.1
-
7.8 (HIGH)
Score source: CNA
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - EPSS — exploit probability
- 3% (percentile: 86) as of 1 November 2026
- CWE
- CWE-284
Affected products
microsoft: windows 10 1507; microsoft: windows 10 1607; microsoft: windows 10 1809; microsoft: windows 10 21h2; microsoft: windows 10 22h2; microsoft: windows 11 22h2; microsoft: windows 11 23h2; microsoft: windows 11 24h2; microsoft: windows 11 25h2; microsoft: windows server 2008; microsoft: windows server 2012; microsoft: windows server 2016; microsoft: windows server 2019; microsoft: windows server 2022; microsoft: windows server 2022 23h2
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-59230 Vendor Advisory
- https://www.vicarius.io/vsociety/posts/cve-2025-59230-detection-script-elevatio… Third Party Advisory
- https://www.vicarius.io/vsociety/posts/cve-2025-59230-mitigation-script-elevati… MitigationThird Party Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025… US Government Resource