MicrosoftRadarIndependent status for Microsoft services

Azure Application Gateway Elevation of Privilege Vulnerability

CVE-2025-64656 is an elevation of privilege vulnerability in Application Gateway (rated Critical, CVSS 9.4). Microsoft fixed it in the service; customers need to do nothing.

1 version

Facts

Microsoft id
CVE-2025-64656
Products
Application Gateway
Severity
Critical
Impact
Elevation of Privilege
CVSS
9.4
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L/E:U/RL:O/RC:C
Exploited
No
Publicly disclosed
No
Customer action required
No
Release
2025-Nov
Assigned by
Microsoft
Weakness
CWE-125: Out-of-bounds Read
MSRC revision
1.0
Status pages
Azure Application Gateway status
First captured by us
(from our first import of this list)
Microsoft last modified
Source
Security updates · open the original at Microsoft

Microsoft's revision notes

  1. Revision 1.0, 2025-11-20: Information published.

Microsoft says

Out-of-bounds read in Application Gateway allows an unauthorized attacker to elevate privileges over a network.

Security updates,

Read Microsoft's full post

What Microsoft changed

One version so far. If Microsoft edits it, each change shows here with what was removed and added.

  1. First version we captured ·

    The text as we first saw it

    Seen by us · Microsoft's timestamp · Microsoft's page

Other changes for Azure Application Gateway