CVE-2026-23655 Microsoft ACI Confidential Containers Information Disclosure Vulnerability
An authorized attacker can disclose sensitive information stored in cleartext within Azure Compute Gallery over the network.
- 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-2026-23655?
CVE-2026-23655 is a medium-severity vulnerability in Microsoft ACI Confidential Containers, published on 10 Feb 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Cleartext storage of sensitive information in Azure Compute Gallery allows an authorized attacker to disclose information over a network.
Weakness: CWE-312
Which versions are affected by CVE-2026-23655?
It affects 1 product.
Products include Microsoft Confidential Sidecar Containers.
How do I fix CVE-2026-23655?
No fix has been published for CVE-2026-23655 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-23655 being exploited?
There is no known exploitation of CVE-2026-23655 in the wild and no public exploit code.
Sources
Also known as GHSA-5v4f-v8fw-fj7j.