CVE-2026-88132: Microsoft Azure-Keyvault-Administration

Medium severity, CVSS 5.9. EPSS: 0.3% chance of exploitation in the next 30 days.

Origin validation error in Azure Key Vault allows an unauthorized attacker to disclose information over a network.

Affected products

• Microsoft Azure-Keyvault-Administration: from 4.7.1, before 4.8.2 (fixed in 4.8.2)
• Microsoft Azure-Keyvault-Certificates: from 4.11.2, before 4.9.2 (fixed in 4.9.2)
• Microsoft Azure-Keyvault-Keys: from 4.11.2, before 4.10.2 (fixed in 4.10.2)
• Microsoft Azure-Keyvault-Secrets: before 4.11.2 (fixed in 4.11.2)

Published 2026-10-13. Last modified 2026-10-16.