SB2023111426 - Privilege escalation in Microsoft Windows Cloud Files Mini Filter Driver



SB2023111426 - Privilege escalation in Microsoft Windows Cloud Files Mini Filter Driver

Published: November 14, 2023

Security Bulletin ID SB2023111426
CSH Severity
High
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

High 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Buffer overflow (CVE-ID: CVE-2023-36036)

CWE-ID: CWE-119 - Memory corruption

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:A/U:Amber


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

The vulnerability exists due to a boundary error in Windows Cloud Files Mini Filter Driver. A local user trigger memory corruption and execute arbitrary code with SYSTEM privileges.

Note, the vulnerability is being actively exploited in the wild.


Remediation

Install update from vendor's website.