EUVD-2026-72984
GHSA-j56x-jprw-qvvf
Severity by source
AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Network-accessible NTFS kernel parsing, no attacker credentials needed, but one user-interaction step required; full system compromise on success.
Primary rating from Vendor (microsoft).
CVSS VectorVendor: microsoft
Lifecycle Timeline
3DescriptionCVE.org
Stack-based buffer overflow in Windows NTFS allows an unauthorized attacker to execute code over a network.
AnalysisAI
Stack-based buffer overflow in Windows NTFS (CWE-121) enables remote code execution across a broad range of Microsoft Windows desktop and server editions. An unauthenticated network attacker can trigger the overflow with user interaction, achieving full compromise of confidentiality, integrity, and availability on the target system. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires a victim user to interact with an attacker-controlled resource - for example, browsing to or mounting a malicious network share, opening a crafted disk image, or clicking a link that triggers NTFS parsing of attacker-supplied data (UI:R per CVSS). … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 3.1 vector (AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H) scores 8.8, reflecting low-complexity network exploitation requiring no credentials but with one user-interaction step that prevents the score reaching 9.8. … 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 patches via Windows Update or WSUS to reach the minimum fixed builds documented in EUVD-2026-72984: Windows Server 2025 to 10.0.26100.33438, Windows 11 24H2/25H2 to 10.0.26100.9445, Windows 11 23H2 to 10.0.22631.7582, Windows 10 21H2/22H2 to 10.0.19044/19045.7725, Windows Server 2022 to 10.0.20348.5622, Windows Server 2019 and Windows 10 1809 to 10.0.17763.9245, Windows Server 2016 and Windows 10 1607 to 10.0.14393.9512, Windows Server 2012 R2 to 6.3.9600.23397, and Windows Server 2012 to 6.2.9200.26349. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, inventory all Windows systems across the organization and prepare a patch testing environment to validate the vendor update. …
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Same weakness CWE-121 – Stack-based Buffer Overflow
View allSame technique Buffer Overflow
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External POC / Exploit Code
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