CVE-2026-77909
CVE-2026-77909 is a high-severity vulnerability in Microsoft Azure Cyclecloud with a CVSS 3.x base score of 7.7. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-522.
Key facts
- Severity: High (CVSS 3.x base score 7.7)
- EPSS exploit prediction: 1% (46th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-522
- Affected product: Microsoft Azure Cyclecloud
- Published:
- Last modified:
Description
Insufficiently protected credentials in Azure CycleCloud allows an authorized attacker to disclose information over a network.
Frequently asked questions
- What is CVE-2026-77909?
- Insufficiently protected credentials in Azure CycleCloud allows an authorized attacker to disclose information over a network.
- How severe is CVE-2026-77909?
- CVE-2026-77909 has a CVSS 3.x base score of 7.7, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
- Is CVE-2026-77909 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2026-77909?
- CVE-2026-77909 affects Microsoft Azure Cyclecloud. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2026-77909?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2026-77909 published?
- CVE-2026-77909 was published on 2026-09-08 and last updated on 2026-09-29.
References
Affected products (1)
- cpe:2.3:a:microsoft:azure_cyclecloud:*:*:*:*:*:*:*:*
More vulnerabilities in Microsoft Azure Cyclecloud
- CVE-2024-43602 — Critical (CVSS 9.9): Azure CycleCloud Remote Code Execution Vulnerability
- CVE-2026-57969 — High (CVSS 8.8): Missing authentication for critical function in Azure CycleCloud allows an authorized attacker to elevate privileges…
- CVE-2024-43469 — High (CVSS 8.8): Azure CycleCloud Remote Code Execution Vulnerability
- CVE-2024-38092 — High (CVSS 8.8): Azure CycleCloud Elevation of Privilege Vulnerability
- CVE-2024-29993 — High (CVSS 8.8): Azure CycleCloud Elevation of Privilege Vulnerability
- CVE-2026-70340 — High (CVSS 8.1): Missing authorization in Azure CycleCloud allows an authorized attacker to elevate privileges over a network.
All CVEs affecting Microsoft Azure Cyclecloud →
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