CVE-2025-55321
Azure Monitor Log Analytics Spoofing Vulnerability
- State
- Published
- Severity
- 9.3 Critical
- Published
- Oct 9, 2025
- Updated
- Feb 26, 2026
- Reserved
- Aug 12, 2025
Description
Improper neutralization of input during web page generation ('cross-site scripting') in Azure Monitor allows an unauthorized attacker to perform spoofing over a network.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 9.3 Critical | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N/E:U/RL:O/RC:C | microsoft |
Weaknesses
- CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Affected Products
| Product | Versions |
|---|---|
Azure MonitorMicrosoft |
|
References
- Azure Monitor Log Analytics Spoofing Vulnerabilityvendor-advisorypatch
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