Azure Virtual Machines Information Disclosure Vulnerability

CVE-2025-53781 is an information disclosure vulnerability in Azure Virtual Machines (rated Critical, CVSS 7.7). Microsoft fixed it in the service; customers need to do nothing.

1 version

Facts

Microsoft id
CVE-2025-53781
Products
Azure Virtual Machines
Severity
Critical
Impact
Information Disclosure
CVSS
7.7
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N/E:U/RL:O/RC:C
Exploited
No
Publicly disclosed
No
Exploitability
Exploitation Less Likely
Customer action required
No
Release
2025-Aug
Assigned by
Microsoft
Weakness
CWE-200: Exposure of Sensitive Information to an Unauthorized Actor
MSRC revision
1.0
Status pages
Azure Virtual Machines 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, 2025-08-12: Information published.

Microsoft says

Exposure of sensitive information to an unauthorized actor in Azure Virtual Machines allows an authorized attacker to disclose information 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 Virtual Machines