What’s Vulnerable › Vulnerabilities

CVE-2026-77909: Azure CycleCloud Information Disclosure Vulnerability

• Severity: medium (CVSS 6.5 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: 2026-09-08 · updated 2026-10-31
• Weakness: CWE-522

Description

Insufficiently protected credentials in Azure CycleCloud allows an authorized attacker to disclose information over a network.

Affected products

• Microsoft Azure CycleCloud 8.2.0: before 8.9.2 — fixed in 8.9.2
• Microsoft Azure CycleCloud 8.2.0: from 8.9.2 before 8.9.2 — fixed in 8.9.2

How to fix

Upgrade to a fixed version: Microsoft Azure CycleCloud 8.2.0 8.9.2; Microsoft Azure CycleCloud 8.2.0 8.9.2. Check the vendor advisory for mitigations.

References

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-77909

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