CVE-2026-26122 Microsoft ACI Confidential Containers Information Disclosure Vulnerability

Medium 6.5 Published Updated

An authorized attacker can disclose information over the network due to insecure default resource initialization in Azure Compute Gallery.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-26122?

CVE-2026-26122 is a medium-severity vulnerability in Microsoft ACI Confidential Containers, published on 5 Mar 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

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

Weakness: CWE-1188

Which versions are affected by CVE-2026-26122?

It affects 1 product.

Products include Microsoft Aci Confidential Containers.

How do I fix CVE-2026-26122?

No fix has been published for CVE-2026-26122 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-26122 being exploited?

There is no known exploitation of CVE-2026-26122 in the wild and no public exploit code.

Sources

Also known as GHSA-c993-389p-jqhf.

Is CVE-2026-26122 in your software?

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