CVE-2025-55321

Published: Oct 9, 2025

Modified: Feb 26, 2026

PUBLISHED

CVSS v3.1

9.3

CRITICAL

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.

Vendor	Product	Versions
Microsoft	Azure Monitor	affected `-`

Weaknesses (CWE)

CWE-79

CVSS v3.1 Details

CVSS v3.1 Vector

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Changed

Confidentiality

High

Integrity

High

Availability

None

References

Azure Monitor Log Analytics Spoofing Vulnerability

vendor-advisory

patch

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CVE-2025-55321

Description

Affected Products

Weaknesses (CWE)

CVSS v3.1 Details

References