CVE-2026-69461
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Stack-based Buffer Overflow in Windows NTFS

Publication date: 2026-09-08

Last updated on: 2026-09-09

Assigner: Microsoft Corporation

Description
Stack-based buffer overflow in Windows NTFS allows an unauthorized attacker to execute code over a network.

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Meta Information

Published
2026-09-08
Last Modified
2026-09-09
Generated
2026-09-09
AI Q&A
2026-09-09
EPSS Evaluated
N/A
NVD
CVE-2026-69461

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
microsoft windows_ntfs *

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-121 A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function).

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Executive Summary

This is a stack-based buffer overflow vulnerability in Windows NTFS. It allows an unauthorized attacker to execute arbitrary code remotely over a network by exploiting a flaw in how NTFS handles certain operations.

Impact Analysis

An attacker could exploit this to run malicious code on your system, potentially gaining control over it. This could lead to data theft, system damage, or further network compromise if the attacker gains elevated privileges.

Mitigation Strategies

Apply the latest security updates from Microsoft to patch the NTFS buffer overflow vulnerability. Monitor Microsoft's update guide for the specific patch release.

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