CVE-2025-64663 Custom Question Answering Elevation of Privilege Vulnerability
An attacker can exploit Server-Side Request Forgery in Azure Cognitive Service for Language to escalate privileges and access sensitive data.
- 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-2025-64663?
CVE-2025-64663 is a critical server-side request forgery vulnerability in Microsoft Azure Cognitive Service for Language, published on 18 Dec 2025. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Custom Question Answering Elevation of Privilege Vulnerability
Weakness: CWE-918
Which versions are affected by CVE-2025-64663?
It affects 1 product.
Products include Microsoft Azure Language.
How do I fix CVE-2025-64663?
No fix has been published for CVE-2025-64663 yet. Limit exposure of the affected software until one is available.
Upgrade, and send outbound requests through an allow-list that blocks internal addresses. More about Server-side request forgery.
Is CVE-2025-64663 being exploited?
There is no known exploitation of CVE-2025-64663 in the wild and no public exploit code.
Sources
Also known as GHSA-f5q7-q5c3-56h8.