CVE-2026-21531criticalCWE-502

CVE-2026-21531: critical vulnerability in Microsoft Azure AI Language Authoring

Azure SDK for Python Remote Code Execution Vulnerability

Published · Updated

E-mail alert when it lands in KEV, gets a public PoC or its score goes up.

28Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 9.8epss 2.6%
Deserialization of untrusted data in Azure SDK allows an unauthorized attacker to execute code over a network.
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
Related CVEs — Microsoft Azure AI Language Authoring

In the same product, most dangerous first.