PT-2026-58628 · Microsoft · Vmswitch+1

CVE-2026-57092 · Published 2026-07-14 · Updated 2026-07-15

Positive Technologies (AI Summary)

CVSS v3.1

9.9

Critical

Base vector

AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Windows VMSwitch (affected versions not specified)

Description A use-after-free condition in Windows VMSwitch allows an authorized attacker to elevate privileges over a network. Use-after-free is a memory corruption issue that occurs when an application continues to use a pointer after it has been freed.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

LPE

Use After Free

Weakness Enumeration

CWE-416

Related Identifiers

CVE-2026-57092

Affected Products

Vmswitch

Windows

References · 6

• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2026-57092 · Vendor Advisory
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-57092 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-57092 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-57092 · Security Note
• https://twitter.com/windowsforum/status/2077486647671693648 · Twitter Post
• https://vulnipulse.com/vendors/microsoft · Reddit Post