CVE-2025-21416 Azure Virtual Desktop Elevation of Privilege Vulnerability
An authorized attacker can elevate privileges in Azure Virtual Desktop due to missing authorization checks.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-21416?
CVE-2025-21416 is a high-severity missing authorization vulnerability in Microsoft Azure Virtual Desktop, published on 30 Apr 2025. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Missing authorization in Azure Virtual Desktop allows an authorized attacker to elevate privileges over a network.
Weakness: CWE-862
Which versions are affected by CVE-2025-21416?
It affects 1 product.
Products include Microsoft Azure Virtual Desktop.
How do I fix CVE-2025-21416?
No fix has been published for CVE-2025-21416 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2025-21416 being exploited?
There is no known exploitation of CVE-2025-21416 in the wild and no public exploit code.
Sources
Also known as GHSA-h35h-mv3v-626v.