CVE-2026-26147

HIGH

Azure Stack HCI Information Disclosure Vulnerability

Title source: cna
STIX 2.1

Description

Improper input validation in Azure Compute Gallery allows an authorized attacker to disclose information over a network.

References (1)

Core 1
Core References
Vendor Advisory vendor-advisory patch
Azure Stack HCI Information Disclosure Vulnerability
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-26147

Scores

CVSS v3 7.7
EPSS 0.0058
EPSS Percentile 43.6%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-20
Status published
Products (2)
Microsoft/Azure Stack HCI -
microsoft/azure_stack_hci
Published May 22, 2026
Tracked Since May 23, 2026