PT-2026-112138 · Microsoft · Windows+11

CVE-2026-69978

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Published

2026-10-13

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Updated

2026-10-13

CVSS v3.1

5.6

Medium

VectorAV:L/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:H
Name of the Vulnerable Software and Affected Versions Windows VMSwitch (affected versions not specified)
Description A null pointer dereference in Windows VMSwitch allows an authorized attacker to cause a local denial of service. A null pointer dereference occurs when a program attempts to read from or write to a memory address that is null, typically leading to a system crash.
Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

DoS

NULL Pointer Dereference

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Weakness Enumeration

Related Identifiers

CVE-2026-69978

Affected Products

Windows
Windows 10 Version 1809
Windows 10 Version 21H2
Windows 10 Version 22H2
Windows 11 Version 23H2
Windows 11 Version 24H2
Windows 11 Version 25H2
Windows 11 Version 26H2
Windows 11 Version 26H1
Windows Server 2019
Windows Server 2022
Windows Server 2025