EUVD-2026-73398
GHSA-2592-gqw2-fc29
Severity by source
AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Local access with low privilege required; purely read-only disclosure with no integrity or availability impact.
Primary rating from Vendor (microsoft).
CVSS VectorVendor: microsoft
Lifecycle Timeline
3DescriptionCVE.org
Files or directories accessible to external parties in Windows Defender Firewall Service allows an authorized attacker to disclose information locally.
AnalysisAI
Windows Defender Firewall Service on a broad range of Windows client and server editions exposes protected files or directories to low-privileged local attackers (CWE-552), enabling sensitive information disclosure. A local attacker holding a standard user account can access firewall service files - potentially including policy configuration, rule data, or service-level secrets - that should be restricted to privileged processes. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires an authenticated local session with a standard (non-administrative) user account on the target Windows system - consistent with CVSS PR:L. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 3.1 score of 5.5 (Medium) with vector AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N appropriately positions this as a local, low-complexity privilege-of-access issue. … 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 fix is to apply Microsoft's security updates for the applicable Windows version via Windows Update or WSUS/SCCM, targeting the build numbers listed above (e.g., Windows 10 22H2 to 10.0.19045.7725 or later, Windows 11 24H2 to 10.0.26100.9445 or later, Windows Server 2025 to 10.0.26100.33438 or later). … Detailed patch versions, workarounds, and compensating controls in full report. |
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External POC / Exploit Code
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