CVE-2026-26183
Remote Access Management service/API (RPC server) Elevation of Privilege Vulnerability
At a glance
- Severity
- HIGH 7.8
- EPSS
- EPSS 0.26 % · percentile 17 (2026-10-28)
- State
- PUBLISHED
- Published
- Updated
- Assigner
- microsoft
- NVD status
- Analyzed
Description
Improper access control in Windows RPC API allows an authorized attacker to elevate privileges locally.
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| CVSS 3.1 | HIGH 7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C | microsoft |
| CVSS 3.1 | HIGH 7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H | NVD · secure@microsoft.com (Secondary) |
Weaknesses (CWE)
European references
- ENISA EUVD · EUVD-2026-22428
- GCVE · GCVE-0-2026-26183
CERT-FR advisories
- CERTFR-2026-AVI-0442 — Multiples vulnérabilités dans Microsoft Windows · cert.ssi.gouv.fr
Affected configurations (NVD CPE)
cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:*cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:*< 10.0.14393.9060cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:*< 10.0.17763.8644cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:*< 10.0.20348.5020cpe:2.3:o:microsoft:windows_server_2022_23h2:*:*:*:*:*:*:*:*< 10.0.25398.2274cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:*:*< 10.0.26100.32690
Affected products
References
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| CERT-FR (ANSSI) | Licence Ouverte / Etalab 2.0 |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |