What is CVE-2025-21199?

CVE-2025-21199 is a security advisory published by Microsoft Security Response Center (MSRC) with High severity. Azure Agent Installer for Backup and Site Recovery Elevation of Privilege Vulnerability

Which CVE IDs does CVE-2025-21199 cover?

CVE-2025-21199 covers the following CVE IDs: CVE-2025-21199. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2025-21199?

CVE-2025-21199 has a CVSS v3 base score of 6.7, published by Microsoft Security Response Center (MSRC).

Which products are affected by CVE-2025-21199?

CVE-2025-21199 affects 2 products, including: Azure Agent for Backup; Azure Agent for Site Recovery.

CVE-2025-21199HighCVSS 6.7

Azure Agent Installer for Backup and Site Recovery Elevation of Privilege Vulnerability

Vendor

Microsoft Security Response Center (MSRC)

Published

July 11, 2026

Last Modified

—

🔗 CVE IDs covered (1)

CVE-2025-21199 →

📋 Description

Improper privilege management in Azure Agent Installer allows an authorized attacker to elevate privileges locally.

🎯 Affected products2

Azure Agent for Backup
Azure Agent for Site Recovery

✅ Remediation

KBRelease Notes (Security Update) — fixed build 9.30 KBRelease Notes (Security Update) — fixed build 2.0.9940.0

🔗 References (3)

advisoryhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21199
patchhttps://support.microsoft.com/en-us/topic/update-rollup-76-for-azure-site-recovery-6ca6833a-5b0f-4bdf-9946-41cd0aa8d6e4
referencehttps://support.microsoft.com/en-us/topic/update-for-azure-backup-for-microsoft-azure-recovery-services-agent-706ac5f8-b61d-4e5f-abc1-91e15af784cf