HarborGuard / CVE
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HIGHCVE-2026-26183Published Modified CNA microsoft

CVE-2026-26183: Remote Access Management service/API (RPC server) Elevation of Privilege Vulnerability

Improper access control in Windows RPC API allows an authorized attacker to elevate privileges locally.

Metrics

CVSS v3.1
7.8
Severity
HIGH
Fixed in
6.2.9200.26026
Affected Products
12

Fix available

6.2.9200.260266.3.9600.2313210.0.14393.906010.0.17763.864410.0.20348.502010.0.25398.227410.0.26100.32690
Patch commits
Affected packages
  • Microsoft / Windows Server 2012
    < 6.2.9200.26026 (from 6.2.9200.0)
  • Microsoft / Windows Server 2012 (Server Core installation)
    < 6.2.9200.26026 (from 6.2.9200.0)
  • Microsoft / Windows Server 2012 R2
    < 6.3.9600.23132 (from 6.3.9600.0)
  • Microsoft / Windows Server 2012 R2 (Server Core installation)
    < 6.3.9600.23132 (from 6.3.9600.0)
  • Microsoft / Windows Server 2016
    < 10.0.14393.9060 (from 10.0.14393.0)
  • Microsoft / Windows Server 2016 (Server Core installation)
    < 10.0.14393.9060 (from 10.0.14393.0)
  • Microsoft / Windows Server 2019
    < 10.0.17763.8644 (from 10.0.17763.0)
  • Microsoft / Windows Server 2019 (Server Core installation)
    < 10.0.17763.8644 (from 10.0.17763.0)
  • Microsoft / Windows Server 2022
    < 10.0.20348.5020 (from 10.0.20348.0)
  • Microsoft / Windows Server 2022, 23H2 Edition (Server Core installation)
    < 10.0.25398.2274 (from 10.0.25398.0)
  • Microsoft / Windows Server 2025
    < 10.0.26100.32690 (from 10.0.26100.0)
  • Microsoft / Windows Server 2025 (Server Core installation)
    < 10.0.26100.32690 (from 10.0.26100.0)
CVSS Vector
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
References