CRITICAL 9.8 Microsoft PoC
CVE-2026-21531
Azure SDK for Python Remote Code Execution Vulnerability
Microsoft Security Update 2026-Feb: Azure SDK for Python Remote Code Execution Vulnerability
Affected Products
- Azure AI Language Authoring
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-21531
- https://nvd.nist.gov/vuln/detail/CVE-2026-21531
This critical severity vulnerability with a CVSS score of 9.8 was published on 2026-02-10 via Microsoft. 🚨 A public proof-of-concept exploit is available on GitHub. Affected: Azure AI Language Authoring.
Risk Timeline
CVE Disclosed2026-02-10 · 235 days ago
Public PoC Exploit AvailableWeaponised proof-of-concept code is publicly accessible
Remediation Resources
Official Advisory
msrc.microsoft.com/update-guide/vulnerability/CVE-2026-21531NVD / MITRE
nvd.nist.gov/vuln/detail/CVE-2026-21531Related Vulnerabilities
| CVE | Title | Severity | CVSS |
|---|---|---|---|
| CVE-2026-62874 | Azure Billing Elevation of Privilege Vulnerability | CRITICAL | 10.0 |
| CVE-2026-69399 | Azure Arc Elevation of Privilege Vulnerability | CRITICAL | 10.0 |
| CVE-2026-69865 | Microsoft Container Registry Elevation of Privilege Vulnerability | CRITICAL | 10.0 |
| CVE-2026-70200 | Azure Logic Apps Elevation of Privilege Vulnerability | CRITICAL | 10.0 |
| CVE-2026-70352 | Azure AI Language Elevation of Privilege Vulnerability | CRITICAL | 10.0 |
| CVE-2026-83944 | Azure Logic Apps Elevation of Privilege Vulnerability | CRITICAL | 10.0 |
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