CVE-2026-21531 (GCVE-0-2026-21531)

Vulnerability from cvelistv5 – Published: 2026-02-10 17:51 – Updated: 2026-02-13 22:30
VLAI?
Title
Azure SDK for Python Remote Code Execution Vulnerability
Summary
Deserialization of untrusted data in Azure SDK allows an unauthorized attacker to execute code over a network.
Severity ?
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
CWE
  • CWE-502 - Deserialization of Untrusted Data
Assigner
References
Impacted products
Vendor Product Version
Microsoft Azure AI Language Authoring Affected: 1.0.0 , < 1.0.0b4 (custom)
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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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