What is CVE-2026-26122?

CVE-2026-26122 is a medium-severity vulnerability in Microsoft Aci Confidential Containers, classified under Initialization of a Resource with an Insecure Default. CVSS score: 6.5/10. Published 2026-03-05.

How severe is CVE-2026-26122?

Medium severity. CVSS v3 base score is 6.5 out of 10.

RCE in Microsoft Aci Confidential Containers

CVE-2026-26122

Initialization of a resource with an insecure default in Azure Compute Gallery allows an authorized attacker to disclose information over a network.

EPSS: 0.015 (81.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). 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.

Affected products

Microsoft Aci Confidential Containers

Weakness classification (CWE)

CWE-1188 — Initialization of a Resource with an Insecure Default

References

Microsoft ACI Confidential Containers Information Disclosure Vulnerability (vendor-advisory, patch)

Frequently asked questions

What is CVE-2026-26122?: CVE-2026-26122 is a medium-severity vulnerability in Microsoft Aci Confidential Containers, classified under Initialization of a Resource with an Insecure Default. CVSS score: 6.5/10. Published 2026-03-05.
How severe is CVE-2026-26122?: Medium severity. CVSS v3 base score is 6.5 out of 10.