EUVD-2026-73425
GHSA-c5cx-683p-4mvv
Severity by source
AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Local-only vector with low-privilege account required; pure confidentiality impact with no integrity or availability effect matches CWE-197 data exposure pattern.
Primary rating from Vendor (microsoft).
CVSS VectorVendor: microsoft
Lifecycle Timeline
2DescriptionCVE.org
Numeric truncation error in Internet Storage Name Service allows an authorized attacker to disclose information locally.
AnalysisAI
Numeric truncation error in the Windows Internet Storage Name Service (iSNS) component enables a locally authenticated attacker to disclose sensitive information from affected systems. The flaw spans an exceptionally broad range of Microsoft Windows client and server editions - from Windows Server 2012 through Windows 11 26H1 and Windows Server 2025 - making patch surface management complex. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Requires an existing low-privileged local account on the target Windows system (PR:L, AV:L). … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | Real-world risk is moderate-to-low despite the C:H confidentiality rating. … 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 | Apply the Microsoft security update released for this CVE, available through Windows Update, WSUS, or the Microsoft Update Catalog. … Detailed patch versions, workarounds, and compensating controls in full report. |
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Same weakness CWE-197 – Numeric Truncation Error
View allSame technique Information Disclosure
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External POC / Exploit Code
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