CRITICAL 9.3 Microsoft
CVE-2025-55321
Azure Monitor Log Analytics Spoofing Vulnerability
Microsoft Security Update 2025-Oct: Azure Monitor Log Analytics Spoofing Vulnerability
Affected Products
- Azure Monitor
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-55321
- https://nvd.nist.gov/vuln/detail/CVE-2025-55321
This critical severity vulnerability with a CVSS score of 9.3 was published on 2025-10-14 via Microsoft. Affected: Azure Monitor.
Risk Timeline
CVE Disclosed2025-10-14 · 344 days ago
Remediation Resources
Official Advisory
msrc.microsoft.com/update-guide/vulnerability/CVE-2025-55321NVD / MITRE
nvd.nist.gov/vuln/detail/CVE-2025-55321Related Vulnerabilities
| CVE | Title | Severity | CVSS |
|---|---|---|---|
| CVE-2026-56162 | Azure SQL Database Elevation of Privilege Vulnerability | CRITICAL | 10.0 |
| CVE-2026-65770 | Azure Managed Instance for Apache Cassandra Remote Code Execution Vulnerability | CRITICAL | 10.0 |
| CVE-2026-65816 | Azure Arc Elevation of Privilege Vulnerability | CRITICAL | 10.0 |
| CVE-2026-69502 | Azure SQL Database Elevation of Privilege Vulnerability | CRITICAL | 10.0 |
| CVE-2026-69555 | Azure Arc Elevation of Privilege Vulnerability | CRITICAL | 10.0 |
| CVE-2026-45480 | Azure Active Directory Elevation of Privilege Vulnerability | CRITICAL | 10.0 |
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