EUVD-2026-73791
GHSA-r33f-3f2c-x8cv
Severity by source
AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
Unauthenticated network authentication bypass (PR:N/AV:N) with condition-dependent exploitation (AC:H) in an identity library that brokers access to downstream resources (S:C, C/I/A:H).
Primary rating from Vendor (microsoft).
CVSS VectorVendor: microsoft
Lifecycle Timeline
3DescriptionCVE.org
Improper authentication in Spring Cloud Azure allows an unauthorized attacker to elevate privileges over a network.
Articles & Coverage 1
AnalysisAI
Privilege elevation in Spring Cloud Azure (versions 1.0.0 up to but not including 7.4.0) lets a network-based, unauthenticated attacker bypass improper authentication logic (CWE-287) to gain elevated privileges. Reported by Microsoft (MSRC) with a vendor patch available; no public exploit identified at time of analysis and neither KEV nor EPSS/POC signals are present in the provided data.
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires network access to an application that uses Spring Cloud Azure in the 1.0.0-7.3.x range for an authentication or identity-integration flow; no valid credentials or user interaction are needed (PR:N/UI:N). … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The signals here are mixed: the CVSS base score is high (9.0, AV:N/PR:N/UI:N/S:C, all impacts High), reflecting an unauthenticated, network-reachable privilege escalation with cross-scope impact, but AC:H indicates exploitation is not trivial and likely requires specific timing, configuration, or conditions to succeed. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | Upgrade Spring Cloud Azure to version 7.4.0 or later, which is the first release outside the vulnerable range and contains the vendor fix (Patch available per vendor advisory; MSRC: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69854). … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours: identify all systems running Spring Cloud Azure versions 1.0.0 through 7.3.x to establish inventory of vulnerable deployments. …
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Same weakness CWE-287 – Improper Authentication
View allSame technique Authentication Bypass
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External POC / Exploit Code
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