CVE-2025-21416
Azure Virtual Desktop Elevation of Privilege Vulnerability
Missing authorization in Azure Virtual Desktop allows an authorized attacker to elevate privileges over a network.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- High
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Azure Virtual Desktop Elevation of Privilege Vulnerability
Missing authorization in Azure Virtual Desktop allows an authorized attacker to elevate privileges over a network.
- Record
CVE-2025-21416- CVSS 3.1
- 8.5 High
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H/E:P/RL:O/RC:C - Weakness
- CWE-862
- Updated
- 2026-11-02
EUVDEUVD-2025-12761
Missing authorization in Azure Virtual Desktop allows an authorized attacker to elevate privileges over a network.
- Record
EUVD-2025-12761- CVSS 3.1
- 8.5 High
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H/E:P/RL:O/RC:C - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-h35h-mv3v-626v
Missing authorization in Azure Virtual Desktop allows an authorized attacker to elevate...
Missing authorization in Azure Virtual Desktop allows an authorized attacker to elevate privileges over a network.
- Record
GHSA-h35h-mv3v-626v- CVSS 3.1
- 8.5 High
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H - Weakness
- CWE-862
- Updated
- 2026-11-02
NVD
Missing authorization in Azure Virtual Desktop allows an authorized attacker to elevate privileges over a network.
- Record
CVE-2025-21416- CVSS 3.1
- 8.5 High
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H - CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-862
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2025-21416 is a high vulnerability (CVSS 8.5) in Microsoft Azure Virtual Desktop, published April 30, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.80%, the 56th percentile. No source names a fixed version.