EUVD-2026-73272
GHSA-45g4-6rcm-wmwg
Severity by source
AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Local access with low-privileged account sufficient; no user interaction; full impact triad consistent with kernel-mode privilege escalation to SYSTEM.
Primary rating from NVD.
CVSS VectorNVD
Lifecycle Timeline
8DescriptionNVD
Out-of-bounds read in Windows NTFS allows an unauthorized attacker to elevate privileges locally.
AnalysisAI
Local privilege escalation in Windows NTFS via an out-of-bounds read (CWE-125) enables a low-privileged local attacker to gain full system-level access across a broad range of Windows desktop and server releases. The CVSS vector (AV:L/AC:L/PR:L/UI:N) confirms exploitation requires only a standard local user account with no user interaction and no special configuration. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires an existing authenticated local user session (PR:L); unauthenticated remote exploitation is not possible per the AV:L vector. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 7.8 score is well-grounded: AV:L eliminates remote network exploitability, and PR:L means an existing low-privileged account is a prerequisite, limiting the attack surface to already-authenticated local sessions or post-initial-access scenarios. … 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-released security update for the affected Windows build via Windows Update or WSUS, targeting the fixed build numbers enumerated per version in the EUVD advisory (e.g., Windows 10 22H2 to 10.0.19045.7725 or later, Windows Server 2025 to 10.0.26100.33438 or later). … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, identify all Windows systems in multi-user or shared-access configurations, and prioritize terminal servers and VDI infrastructure for immediate patching. …
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Threat intelligence, references, and detailed analysis are available after sign-in.
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Same weakness CWE-125 – Out-of-bounds Read
View allSame technique Privilege Escalation
View allShare
External POC / Exploit Code
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