Vulnerability · Published May 20, 2026 · Assigned by microsoft
CVE-2026-42834Windows Admin Center in Azure Portal Elevation of Privilege Vulnerability
High 7.8
In plain English
A high-severity security flaw in Windows Admin Center in Azure Portal from Microsoft. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 35% of all known vulnerabilities).
Severity (CVSS 3.1)7.8High
Exploit odds (30 days)0.4%top 64.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Improper access control in Windows Admin Center allows an authorized attacker to elevate privileges over a network.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Windows Admin Center in Azure Portal | 1.0 – before 0.72.0.0. |
Weakness: CWE-59 · 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
- Windows Admin Center in Azure Portal Elevation of Privilege Vulnerability vendor-advisory, patch