CVE-2026-21531
Azure SDK for Python Remote Code Execution Vulnerability
- State
- Published
- Severity
- 9.8 Critical
- Published
- Feb 10, 2026
- Updated
- Aug 19, 2026
- Reserved
- Dec 30, 2025
Description
Deserialization of untrusted data in Azure SDK allows an unauthorized attacker to execute code over a network.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 9.8 Critical | 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 | microsoft |
Weaknesses
- CWE-502 Deserialization of Untrusted Data
Affected Products
| Product | Versions |
|---|---|
Azure AI Language AuthoringMicrosoft |
|
References
- Azure SDK for Python Remote Code Execution Vulnerabilityvendor-advisorypatch
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