CVE-2026-21531 PUBLISHED

Azure SDK for Python Remote Code Execution Vulnerability

Assigner: microsoft
Reserved: 30.12.2025 Published: 10.02.2026 Updated: 11.02.2026

Deserialization of untrusted data in Azure SDK allows an unauthorized attacker to execute code over a network.

Metrics

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
CVSS Score: 9.8

Product Status

Vendor Microsoft
Product Azure AI Language Authoring
Versions
  • affected from 1.0.0 to 1.0.0b4 (excl.)

References

Problem Types