EUVD-2026-70791
GHSA-8rm9-87mp-hc37
Severity by source
AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N
Network-reachable, no auth required, but user interaction mandatory; scope change reflects cross-boundary data leakage with no integrity or availability impact.
Primary rating from Vendor (microsoft).
CVSS VectorVendor: microsoft
Lifecycle Timeline
2DescriptionCVE.org
Improper neutralization of special elements in data query logic in Microsoft Discovery Studio allows an unauthorized attacker to disclose information over a network.
AnalysisAI
NoSQL injection in Microsoft Discovery Studio enables unauthenticated, network-based attackers to extract confidential data from the application's backend data store. The CWE-943 flaw allows specially crafted query inputs to bypass intended data-access boundaries, with the CVSS scope-change (S:C) indicating that leakage can extend beyond the directly targeted component - potentially exposing data belonging to other users or system contexts. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires that a target user (who has access to a Discovery Studio session) be induced to interact with attacker-controlled input - for example, by clicking a crafted link or loading a manipulated page - which triggers the injected query against the backend. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 7.4 High rating is driven by network reachability without authentication and high confidentiality impact, partially offset by the UI:R requirement which prevents fully automated, spray-and-pray exploitation. … 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 | The primary remediation is to apply the patch or updated version released by Microsoft via the MSRC advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-62906. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, enumerate all Microsoft Discovery Studio instances and confirm network accessibility from untrusted sources; enable verbose logging on database query endpoints to establish baseline for anomaly detection. …
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External POC / Exploit Code
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