What is CVE-2026-77909?

CVE-2026-77909 is a security advisory published by Microsoft Security Response Center (MSRC) with High severity. Azure CycleCloud Information Disclosure Vulnerability

Which CVE IDs does CVE-2026-77909 cover?

CVE-2026-77909 covers the following CVE IDs: CVE-2026-77909. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2026-77909?

CVE-2026-77909 has a CVSS v3 base score of 7.7, published by Microsoft Security Response Center (MSRC).

Which products are affected by CVE-2026-77909?

CVE-2026-77909 affects 1 product, including: Azure CycleCloud 8.9.2.

CVE-2026-77909HighCVSS 7.7

Azure CycleCloud Information Disclosure Vulnerability

Vendor

Microsoft Security Response Center (MSRC)

Published

September 11, 2026

Last Modified

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🔗 CVE IDs covered (1)

CVE-2026-77909 →

📋 Description

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

🎯 Affected products1

Azure CycleCloud 8.9.2

✅ Remediation

KBRelease Notes (Security Update) — fixed build 8.9.2

🔗 References (3)

advisoryhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-77909
patchhttps://learn.microsoft.com/en-us/azure/cyclecloud/how-to/upgrade-and-migrate?view=cyclecloud-8
referencehttps://learn.microsoft.com/en-us/azure/cyclecloud/release-notes/8-9-2?view=cyclecloud-8