Risk Scores
CVSS v3.1
9.800000190734863
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
EPSS Score
0.46%
63.8th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| microsoft | azure_local | 1.0.0 |
| microsoft | azure_ai_language_authoring | 1.0.0 |
| microsoft | azure_conversation_authoring_client_library | 1.0.0, 1.0.0, 1.0.0 |
| PyPI | azure-ai-language-conversations-authoring | 0, 0 |
| Microsoft | Azure Local | 1.0.0 |
| Microsoft | Azure AI Language Authoring | 1.0.0 |
Timeline
- Feb 10, 2026 CVE Published
- Feb 10, 2026 PoC Published
- Feb 10, 2026 PoC Published
- Feb 10, 2026 PoC Published
- Feb 11, 2026 EPSS Score
- Feb 11, 2026 PoC Published
- Feb 11, 2026 PoC Published
- Feb 11, 2026 PoC Published
- Feb 11, 2026 PoC Published
- Feb 11, 2026 PoC Published
- Feb 12, 2026 CVE Updated
- Feb 12, 2026 EPSS Score
References
- Azure SDK for Python Remote Code Execution Vulnerability vendor-advisory
- https://nvd.nist.gov/vuln/detail/CVE-2026-21531 advisory
- https://github.com/Azure/azure-sdk-for-python package
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-21528 advisory
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-21512 advisory
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-21228 advisory
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-21529 advisory