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TI-2026-19047 Aliases CVE-2026-23655GHSA-5v4f-v8fw-fj7j

Microsoft ACI Confidential Containers Information Disclosure Vulnerability

Priority LOW 31CWE-312Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Information disclosure
Confidentiality · integrity · availability
High · None · None
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from Microsoft.

Summary

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

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.01003 63rd percentileScored 2026-11-07
Fix Fixed Microsoft ACI Confidential Containers (Microsoft): 2.12

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
MicrosoftMicrosoft ACI Confidential Containers1.0.0 to before 2.122.12Patch availableCNA
  • Microsoft ACI Confidential Containers VendorMicrosoft Affected 1.0.0 to before 2.12 Fixed in 2.12 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:microsoft:confidential_sidecar_containers:*:*:*:*:*:*:*:*before 2.12VulnerableMicrosoft
  • cpe:2.3:a:microsoft:confidential_sidecar_containers:*:*:*:*:*:*:*:* Versions before 2.12 Vulnerable ·Microsoft

Remediation

  • Fix · CNA Microsoft ACI Confidential Containers (Microsoft) Fixed in 2.12

Vendor assessments

Microsoft

Microsoft's page for this CVE →

Impact
Information Disclosure
Exploited
No
Publicly disclosed
No
Exploitability
Exploitation Less Likely
ProductStatusPlan or fix
Microsoft ACI Confidential ContainersFixed 2.12 · Source Code (.zip)
Microsoft ACI Confidential ContainersFixed 2.12 · Source Code (tar.gz)

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-23655
  2. 2026-10-03 Alias added: GHSA-5v4f-v8fw-fj7j

References

Patch 1

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences