Vulnerability · Published May 22, 2026 · Assigned by microsoft
CVE-2026-26147Azure Stack HCI Information Disclosure Vulnerability
High 7.7
In plain English
A high-severity improper input validation in Azure Stack HCI from Microsoft. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 48% of all known vulnerabilities).
Severity (CVSS 3.1)7.7High
Exploit odds (30 days)0.6%top 52.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Improper input validation in Azure Compute Gallery allows an authorized attacker to disclose information over a network.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Azure Stack HCI | - |
Weakness: CWE-20 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N/E:U/RL:O/RC:C
References
- Azure Stack HCI Information Disclosure Vulnerability vendor-advisory, patch