We use optional cookies to improve your experience on our websites, such as through social media connections, and to display personalized advertising based on your online activity. If you reject optional cookies, only cookies necessary to provide you the services will be used. You may change your selection by clicking “Manage Cookies” at the bottom of the page. Privacy Statement Third-Party Cookies Accept Reject Manage cookies MSRC Customer Guidance Security Update Guide Vulnerabilities CVE-2026-41086 Windows Admin Center in Azure Portal Elevation of Privilege Vulnerability New On this page CVE-2026-41086 Subscribe RSS PowerShell API CSAF Security Vulnerability Released: May 12, 2026 Assigning CNA Microsoft CVE.org link CVE-2026-41086 Impact Elevation of Privilege Max Severity Important Weakness CWE-284: Improper Access Control CVSS Source Microsoft Vector String CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C Metrics CVSS:3.1 8.8 / 7.7 Base score metrics: 8.8 / Temporal score metrics: 7.7 Expand all Collapse all Metric Value Base score metrics(8) Attack Vector Network Attack Complexity Low Privileges Required Low User Interaction None Scope Unchanged Confidentiality High Integrity High Availability High Temporal score metrics(3) Exploit Code Maturity Unproven Remediation Level Official Fix Report Confidence Confirmed Please see Common Vulnerability Scoring System for more information on the definition of these metrics. Executive Summary Improper access control in Windows Admin Center allows an authorized attacker to elevate privileges over a network. Exploitability The following table provides an exploitability assessment for this vulnerability at the time of original publication. Publicly disclosed No Exploited No Exploitability assessment Exploitation Less Likely FAQ How could an attacker exploit this vulnerability? An authenticated attacker with low‑privileged access could exploit this vulnerability by sending a specially crafted request to the affected Windows Admin Center update API, allowing them to perform actions that their assigned permissions should not normally permit. Acknowledgements N4ichimi Microsoft recognizes the efforts of those in the security community who help us protect customers through coordinated vulnerability disclosure. See Acknowledgements for more information. Security Updates To determine the support lifecycle for your software, see the Microsoft Support Lifecycle. Release date Descending Edit columns Download Filters Product Family Max Severity Impact Platform Clear Release date Product Platform Impact Max Severity Article Download Build Number Assigning CNA Customer Action Required Title: Release date, Content: May 12, 2026 Windows Admin Center in Azure Portal - Elevation of Privilege Important Title: Knowledge Base Articles for Windows Admin Center in Azure Portal, Content:, 1 link Release Notes Title: Download Security Update for Windows Admin Center in Azure Portal, Content:, 1 link Security Update Title: Build numbers, Content: 2.6.7 Title: Assigning CNA, Content: Microsoft Title: Customer action required, Content: Required All results loaded Loaded all 1 rows Disclaimer The information provided in the Microsoft Knowledge Base is provided "as is" without warranty of any kind. Microsoft disclaims all warranties, either express or implied, including the warranties of merchantability and fitness for a particular purpose. In no event shall Microsoft Corporation or its suppliers be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages, even if Microsoft Corporation or its suppliers have been advised of the possibility of such damages. Some states do not allow the exclusion or limitation of liability for consequential or incidental damages so the foregoing limitation may not apply. Revisions version revisionDate description 1.0 May 12, 2026 Information published. How satisfied are you with the MSRC Security Update Guide? Rating Broken Bad Below average Average Great! Your Privacy Choices Consumer Health Privacy
CVE-2026-41086 is an elevation of privilege vulnerability (CVSS 8.8) in Windows Admin Center within the Azure Portal, caused by improper access control (CWE-284). An authenticated attacker with low privileges can exploit it over the network by sending a specially crafted request to the affected update API to perform unauthorized actions. Microsoft has released a security update, and exploitation is currently assessed as less likely.