SB2026061273 - Privilege escalation in Microsoft Windows Kernel-Mode Driver



SB2026061273 - Privilege escalation in Microsoft Windows Kernel-Mode Driver

Published: June 12, 2026

Security Bulletin ID SB2026061273
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Type Confusion (CVE-ID: CVE-2026-45600)

CWE-ID: CWE-843 - Type confusion

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a local user to escalate privileges on the target system.

The vulnerability exists due to a type confusion error in Windows Kernel-Mode Driver. A local user can pass specially crafted data to the application, trigger a type confusion error and gain elevated privileges on the system.


Remediation

Install update from vendor's website.