What’s Vulnerable › Vulnerabilities

CVE-2026-85925: Azure Key Vault Client SDK Elevation of Privilege Vulnerability

• Severity: high (CVSS 8.2 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-10-13 · updated 2026-10-31
• Weakness: CWE-923

Description

Improper restriction of communication channel to intended endpoints in Azure Key Vault allows an authorized attacker to elevate privileges over a network.

Affected products

• Microsoft azure-keyvault-administration: before 4.8.1 — fixed in 4.8.1
• Microsoft azure-keyvault-certificates: before 4.9.1 — fixed in 4.9.1
• Microsoft azure-keyvault-keys: before 4.10.1 — fixed in 4.10.1
• Microsoft azure-keyvault-secrets: before 4.11.1 — fixed in 4.11.1
• Microsoft azure-keyvault-administration: from 4.7.1 before 4.8.1 — fixed in 4.8.1
• Microsoft azure-keyvault-certificates: from 4.11.2 before 4.9.1 — fixed in 4.9.1
• Microsoft azure-keyvault-keys: from 4.11.2 before 4.10.1 — fixed in 4.10.1
• Microsoft azure-keyvault-secrets: from 4.11.2 before 4.11.1 — fixed in 4.11.1

How to fix

Upgrade to a fixed version: Microsoft azure-keyvault-administration 4.8.1; Microsoft azure-keyvault-certificates 4.9.1; Microsoft azure-keyvault-keys 4.10.1; Microsoft azure-keyvault-secrets 4.11.1; Microsoft azure-keyvault-administration 4.8.1; Microsoft azure-keyvault-certificates 4.9.1; Microsoft azure-keyvault-keys 4.10.1; Microsoft azure-keyvault-secrets 4.11.1. Check the vendor advisory for mitigations.

References

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-85925

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