CVE-2025-49707: Azure Virtual Machines Spoofing Vulnerability

Overview

Severity

High (CVSS 7.9)

CVSS Vector

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

Category

Spoofing

Exploit Status

Not Exploited

Exploitation Likelihood

Less Likely

Patch Tuesday

2025-Aug

Released

2025-08-12

EPSS Score

0.09% (percentile: 26.2%)

Description

Improper access control in Azure Virtual Machines allows an authorized attacker to perform spoofing locally.

FAQ

Why are there no links to an update or instructions with steps that must be taken to protect from this vulnerability? This vulnerability has already been fully mitigated by Microsoft. There is no action for users of this service to take. The purpose of this CVE is to provide further transparency. Please see Toward greater transparency: Unveiling Cloud Service CVEs for more information.

Affected Products (11)

Azure

• DCasv5-series Azure VM
• DCadsv5-series Azure VM
• ECasv5-series Azure VM
• ECadsv5-series Azure VM
• DCesv5-series - Azure VM
• DCedsv5-series Azure VM
• ECesv5-series Azure VM
• ECedsv5-series Azure VM
• NCCadsH100v5-series Azure VM
• DCesv6-series Azure VM
• Ecesv6-series Azure VM

Acknowledgments

Ming-Wei Shih with Microsoft, Ahmad Abdullateef with Microsoft

Revision History

• 2025-08-12: Information published.