PT-2026-58618 · Microsoft · Windows Network File System+1

CVE-2026-56649

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Published

2026-07-14

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Updated

2026-07-14

CVSS v3.1

8.1

High

VectorAV:N/AC:H/PR:N/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 race condition occurs in the Windows Network File System due to improper synchronization when using a shared resource. This allows an unauthorized remote attacker to execute arbitrary code over a network and affect the system. A race condition is a situation where the system's behavior depends on the sequence or timing of uncontrollable events.
Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

DoS

RCE

Use After Free

Race Condition

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Weakness Enumeration

Related Identifiers

BDU:2026-09972
CVE-2026-56649

Affected Products

Windows
Windows Network File System