Critical severity9.8NVD Advisory· Published Feb 10, 2026· Updated Jun 17, 2026
CVE-2026-21531
CVE-2026-21531
Description
Deserialization of untrusted data in Azure SDK allows an unauthorized attacker to execute code over a network.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
azure-ai-language-conversations-authoringPyPI | < 1.0.0b4 | 1.0.0b4 |
Affected products
5cpe:2.3:a:microsoft:azure_conversation_authoring_client_library:1.0.0:beta1:*:*:*:python:*:*+ 2 more
- cpe:2.3:a:microsoft:azure_conversation_authoring_client_library:1.0.0:beta1:*:*:*:python:*:*
- cpe:2.3:a:microsoft:azure_conversation_authoring_client_library:1.0.0:beta2:*:*:*:python:*:*
- cpe:2.3:a:microsoft:azure_conversation_authoring_client_library:1.0.0:beta3:*:*:*:python:*:*
- Microsoft/Azure AI Language Authoringv5Range: 1.0.0
Patches
Vulnerability mechanics
References
3- github.com/advisories/GHSA-436v-jg82-p533ghsaADVISORY
- msrc.microsoft.com/update-guide/vulnerability/CVE-2026-21531nvdVendor AdvisoryWEB
- nvd.nist.gov/vuln/detail/CVE-2026-21531ghsaADVISORY
News mentions
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