CVE-2026-35438: CWE-862: Missing Authorization in Microsoft Windows Admin Center
Missing authorization in Windows Admin Center allows an authorized attacker to elevate privileges over a network.
AI Analysis
Technical Summary
CVE-2026-35438 is a missing authorization vulnerability (CWE-862) in Microsoft Windows Admin Center 1809.0. It permits an attacker with some level of authorization to escalate privileges remotely over the network. The vulnerability has a CVSS 3.1 base score of 8.3, indicating high severity with low attack complexity and no user interaction required. Microsoft has published an official fix for this vulnerability, as detailed in their security advisory.
Potential Impact
An attacker with authorized access to Windows Admin Center 1809.0 can exploit this vulnerability to elevate privileges, potentially compromising system integrity and availability. Confidentiality impact is limited to low, but integrity and availability impacts are high. This could allow attackers to perform unauthorized administrative actions on affected systems.
Mitigation Recommendations
An official fix is available from Microsoft for Windows Admin Center 1809.0. Users and administrators should apply the provided security update as soon as possible to remediate this vulnerability. Refer to the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-35438 for detailed patching instructions.
CVE-2026-35438: CWE-862: Missing Authorization in Microsoft Windows Admin Center
Description
Missing authorization in Windows Admin Center allows an authorized attacker to elevate privileges over a network.
CVSS v3.1
Score 8.3high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-35438 is a missing authorization vulnerability (CWE-862) in Microsoft Windows Admin Center 1809.0. It permits an attacker with some level of authorization to escalate privileges remotely over the network. The vulnerability has a CVSS 3.1 base score of 8.3, indicating high severity with low attack complexity and no user interaction required. Microsoft has published an official fix for this vulnerability, as detailed in their security advisory.
Potential Impact
An attacker with authorized access to Windows Admin Center 1809.0 can exploit this vulnerability to elevate privileges, potentially compromising system integrity and availability. Confidentiality impact is limited to low, but integrity and availability impacts are high. This could allow attackers to perform unauthorized administrative actions on affected systems.
Mitigation Recommendations
An official fix is available from Microsoft for Windows Admin Center 1809.0. Users and administrators should apply the provided security update as soon as possible to remediate this vulnerability. Refer to the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-35438 for detailed patching instructions.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-04-02T19:21:11.805Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-35438","vendor":"Microsoft"}]
Threat ID: 6a03654ccbff5d861008c80f
Added to database: 05/12/2026, 17:37:16 UTC
Last enriched: 06/19/2026, 17:35:34 UTC
Last updated: 07/31/2026, 19:22:58 UTC
Views: 71
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