CVE-2026-122988ImportantEoPNetwork

Windows Admin Center Elevation of Privilege Vulnerability

MSRC advisory NVD CVE.org

Assessment

Improper authorization in Windows Admin Center allows an authorized attacker to elevate privileges over a network.

Severity: Important
CVSS base score: 8.0
Impact: Elevation of Privilege
Exploitation detected: No known exploitation (MSRC assessment)
Exploitability: Exploitation Less Likely
Publicly disclosed: No (MSRC assessment)
EPSS · 30-day forecast: No EPSS score collected
Customer action: Required: follow the MSRC remediation guidance

More details

CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
Public detection template: No Nuclei template is listed in the current collected catalog
Component: Windows Admin Center
Weakness: CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Issued by: Microsoft
Published: 10 Nov 2026 · November 2026
Last revised: 10 Nov 2026

CVSS 3.1 base metricsRed raises the risk · green lowers it

Attack vector: NetworkAV:N
Attack complexity: LowAC:L
Privileges required: LowPR:L
User interaction: RequiredUI:R
Scope: UnchangedS:U
Confidentiality: HighC:H
Integrity: HighI:H
Availability: HighA:H

Updates that fix it

0 KBs

No KB listed

No KB update is listed in the collected MSRC record. Check the MSRC advisory for product releases and other remedies.

Affected products

Windows

1 affected product

Windows Admin Center

Page history

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cve-program · CVE-2026-122988

Published

Windows Admin Center

Vendor product

Original vendor version evidence · not evaluated as a NuGet range

{
                    "vendor": "Microsoft",
                    "product": "Windows Admin Center",
                    "versions": [
                        {
                            "version": "1809.0",
                            "lessThan": "2.1.36",
                            "versionType": "custom",
                            "status": "affected"
                        }
                    ]
                }

Original source record · Cite this exact observation · Complete original publisher JSON