EUVD-2026-73037
GHSA-qpmw-p5gw-9j5q
Severity by source
AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Local kernel driver exploit (AV:L), no privileges required per vendor and description (PR:N), AC:L as no special configuration is needed; full C/I/A impact from kernel-level code execution.
Primary rating from Vendor (microsoft).
CVSS VectorVendor: microsoft
Lifecycle Timeline
3DescriptionCVE.org
Heap-based buffer overflow in Windows NTFS allows an unauthorized attacker to execute code locally.
AnalysisAI
Heap-based buffer overflow in the Windows NTFS kernel driver (ntfs.sys) allows an unprivileged local attacker to execute arbitrary code at kernel privilege level, achieving full system compromise. Nineteen distinct Windows version/build combinations are confirmed affected, spanning Windows 10 1607 through Windows 11 26H1 and Windows Server 2012 through Server 2025. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires a local session on an affected Windows system (AV:L); no elevated privileges are required - a standard unprivileged user account or even a sandboxed process context is sufficient (PR:N). … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 3.1 score of 8.4 (AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H) reflects a kernel-level local privilege escalation with no privilege prerequisite and low attack complexity, yielding full confidentiality, integrity, and availability impact. … 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 via Windows Update or WSUS targeting the following fixed builds: Windows 10 1607 and Server 2016 → 10.0.14393.9512; Windows 10 1809 and Server 2019 → 10.0.17763.9245; Windows 10 21H2 → 10.0.19044.7725; Windows 10 22H2 → 10.0.19045.7725; Windows 11 23H2 → 10.0.22631.7582; Windows 11 24H2 → 10.0.26100.9445; Windows Server 2025 → 10.0.26100.33438; Windows 11 25H2 → 10.0.26200.9445; Windows 11 26H1 → 10.0.28000.2954; Windows Server 2012 → 6.2.9200.26349; Windows Server 2012 R2 → 6.3.9600.23397; Windows Server 2022 → 10.0.20348.5622. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, catalog all Windows 10, Windows 11, and Windows Server systems (2012-2025) in your environment and retrieve the patch from Microsoft MSRC. …
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Same weakness CWE-122 – Heap-based Buffer Overflow
View allSame technique Buffer Overflow
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External POC / Exploit Code
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