What’s Vulnerable › Vulnerabilities

CVE-2026-26147: Azure Stack HCI Information Disclosure Vulnerability

• Severity: high (CVSS 7.7 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-05-22 · updated 2026-08-10
• Weakness: CWE-20

Description

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

Affected products

• Microsoft Azure Stack HCI OS: all versions
• Microsoft Azure Stack HCI OS: all versions

References

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-26147

Get alerted when CVE-2026-26147 or the next vulnerability affects your stack