Azure
CVE-2026-21531
CRITICAL
Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Lifecycle Timeline
3DescriptionCVE.org
Deserialization of untrusted data in Azure SDK allows an unauthorized attacker to execute code over a network.
AnalysisAI
Deserialization of untrusted data in Azure SDK allows unauthorized code execution over a network. EPSS 0.32%.
Technical ContextAI
CWE-502 deserialization of untrusted data in Azure SDK enabling remote code execution.
RemediationAI
Update Azure SDK to patched version.
Path traversal in pnpm's tarball extraction on Windows allows attackers to write files outside the intended package dire
Default password in Himmelblau Azure Entra ID suite 3.0.0-3.0.x. CVSS 10.0.
Default credentials in Cisco ISE cloud deployments on AWS/Azure/OCI. CVSS 9.9.
Elevation of privilege vulnerability in Azure Front Door allows attackers to gain elevated access. Microsoft Azure cloud
Azure Front Door has an improper access control vulnerability (CVSS 9.8) allowing unauthorized attackers to elevate priv
Azure AD auth bypass in Devolutions Server 2025.3.15.0 and earlier.
Fleet device management software has a signature verification bypass that allows attackers to install malicious firmware
Azure Entra ID (formerly Azure AD) has an elevation of privilege vulnerability allowing attackers to escalate permission
Privilege escalation in Azure Logic Apps results from improper path validation, enabling remote attackers to gain elevat
Azure Function Information Disclosure Vulnerability [CVSS 8.2 HIGH]
Remote code execution in Azure Local stems from improper certificate validation, enabling unauthenticated attackers to e
Local privilege escalation in Azure Connected Machine Agent exploits a stack-based buffer overflow, enabling authenticat
Same weakness CWE-502 – Deserialization of Untrusted Data
View allSame technique Deserialization
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External POC / Exploit Code
Leaving vuln.today
GHSA-436v-jg82-p533