PT-2026-58619 · Microsoft · Windows Network File System+1

CVE-2026-56650

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Published

2026-07-14

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Updated

2026-07-14

CVSS v3.1

7.8

High

VectorAV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Name of the Vulnerable Software and Affected Versions Windows Network File System (affected versions not specified)
Description A heap-based buffer overflow in the Windows Network File System allows an authorized attacker to elevate privileges locally. A heap-based buffer overflow occurs when a program writes more data to a heap memory buffer than it can hold, potentially allowing the execution of arbitrary code.
Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

DoS

Heap Based Buffer Overflow

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Weakness Enumeration

Related Identifiers

BDU:2026-09965
CVE-2026-56650

Affected Products

Windows
Windows Network File System