CVE-2026-26147 Azure Stack HCI Information Disclosure Vulnerability
An authorized attacker can disclose sensitive information over the network due to improper input validation 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-2026-26147?
CVE-2026-26147 is a high-severity vulnerability in Microsoft Azure Stack HCI, published on 22 May 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Improper input validation in Azure Compute Gallery allows an authorized attacker to disclose information over a network.
Weakness: CWE-20
Which versions are affected by CVE-2026-26147?
It affects 1 product.
Products include Microsoft Azure Stack Hci.
How do I fix CVE-2026-26147?
No fix has been published for CVE-2026-26147 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-26147 being exploited?
There is no known exploitation of CVE-2026-26147 in the wild and no public exploit code.
Other vulnerabilities in Microsoft Azure Stack HCI
Sources
Also known as GHSA-jp7v-xgrx-wqjf.