CVE-2026-23655: Microsoft ACI Confidential Containers Information Disclosure Vulnerability

Overview

Severity

Medium (CVSS 6.5)

CVSS Vector

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

Category

Information Disclosure

Exploit Status

Not Exploited

Exploitation Likelihood

Less Likely

Patch Tuesday

2026-Feb

Released

2026-02-10

EPSS Score

0.08% (percentile: 24.8%)

Description

Cleartext storage of sensitive information in Azure Compute Gallery allows an authorized attacker to disclose information over a network.

FAQ

What type of information could be disclosed by this vulnerability? The type of information that could be disclosed if an attacker successfully exploited this vulnerability is secret tokens and keys.

Affected Products (1)

Azure

• Microsoft ACI Confidential Containers

Security Updates (2)

• Release Notes
• Release Notes

Acknowledgments

Microsoft Offensive Research and Security Engineering with Microsoft, Microsoft Offensive Research and Security Engineering with Microsoft

Revision History

• 2026-02-10: Information published.