SB2025070860 - Integer underflow in Microsoft Windows MBT Transport Driver



SB2025070860 - Integer underflow in Microsoft Windows MBT Transport Driver

Published: July 8, 2025

Security Bulletin ID SB2025070860
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) Integer underflow (CVE-ID: CVE-2025-47996)

CWE-ID: CWE-191 - Integer underflow

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 privilegeso on the system.

The vulnerability exists due to integer underflow in Windows MBT Transport Driver. A local user can send a specially crafted request to the affected application, trigger integer underflow and gain elevated privileges on the target system.


Remediation

Install update from vendor's website.