EUVD-2026-72985
GHSA-gg9f-fq2j-9vv7
Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Kernel NTFS parsing gives C:H/I:H/A:H, but overflowing the driver realistically needs a crafted volume/file the victim mounts or opens, so AC:H and UI:R rather than Microsoft's AC:L/UI:N.
Primary rating from Vendor (microsoft).
CVSS VectorVendor: microsoft
Lifecycle Timeline
4DescriptionCVE.org
Heap-based buffer overflow in Windows NTFS allows an unauthorized attacker to execute code over a network.
Articles & Coverage 1
AnalysisAI
Remote code execution in the Windows NTFS file-system driver stems from a heap-based buffer overflow (CWE-122) reachable by an unauthorized attacker over a network, per Microsoft's advisory. The flaw affects a very broad range of supported Windows client and server builds from Windows Server 2012 through Server 2025 and Windows 10/11 up to version 26H1. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Microsoft's vector states no authentication and no user interaction (PR:N/UI:N) over the network, so under that framing exploitation needs only reachability of the vulnerable NTFS code path with attacker-controlled data. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The provided CVSS 3.1 vector (AV:N/AC:L/PR:N/UI:N, C:H/I:H/A:H, 9.8) portrays a trivially remote, unauthenticated, no-interaction RCE, which would be a top-priority patch. … 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 corresponding Microsoft security update for each affected build (patch available per vendor advisory); the fixed builds are enumerated above, e.g. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours: Declare critical security incident; inventory all Windows systems in your environment (prioritize production servers, domain controllers, and internet-facing systems); request Microsoft patch availability for Windows Server 2012-2025, Windows 10, and Windows 11 versions up to 26H1. …
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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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