CVE-2025-64657 CRITICAL

CVE-2025-64657: Azure Application Gateway Elevation of Privilege Vulnerability

Vendor Microsoft
Product Azure App Gateway
Weakness CWE-787
Published November 26, 2025
Last update February 26, 2026
View on NVD All CVEs

CVSS base score

9.8/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

Stack-based buffer overflow in Azure Application Gateway allows an unauthorized attacker to elevate privileges over a network.

Key dates

02Disclosure timeline

November 26, 2025 CVE published
February 26, 2026 Record updated