CVE-2025-59273 HIGH

CVE-2025-59273: Azure Event Grid System Elevation of Privilege Vulnerability

Vendor Microsoft
Product Azure Event Grid System
Weakness CWE-284
Published October 23, 2025
Last update February 26, 2026
View on NVD All CVEs

CVSS base score

7.3/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality Low
Integrity Low

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:U/RL:O/RC:C

What the vulnerability does

01Description

Improper access control in Azure Event Grid allows an unauthorized attacker to elevate privileges over a network.

Key dates

02Disclosure timeline

October 23, 2025 CVE published
February 26, 2026 Record updated