CVE-2025-64663: Microsoft Azure Cognitive Service for Language · Server-Side Request Forgery (SSRF)
Affects Microsoft Azure Cognitive Service for LanguageSource CVE Database V5
Not known to be exploited · CVSS 9.9 Critical · patch available : patch Microsoft Azure Cognitive Service for Language as a priority.
Data as of 26 Oct 2026, 12:55 UTC
- EPSS
- 0.7% chance of exploitation in 30 days – higher than 53% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:CExploitation evidence
Disclosed: evidence found.
CVE published 18 Dec 2025
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
AI-suggested
A patch is available for this vulnerability. It is strongly recommended to apply the official fix provided by Microsoft to remediate this issue. Since this is not a cloud-hosted service managed by the vendor, customers must update their deployments accordingly. Check Microsoft's official advisory for the patch details and deployment instructions.
Description
Custom Question Answering Elevation of Privilege Vulnerability