Elevation of Privilege Vulnerability in Windows MBT Transport Driver by Microsoft
CVE-2025-55230

7.8HIGH

Key Information:

Vendor

Microsoft
Status
Windows 10 Version 1809
Windows Server 2019
Windows Server 2019 (server Core Installation)
Windows Server 2022
Vendor
CVE Published:
21 August 2025

What is CVE-2025-55230?

The Windows MBT Transport driver is susceptible to a vulnerability that arises from untrusted pointer dereferencing. This flaw enables an authorized attacker to potentially execute code with elevated privileges on the affected system. Successful exploitation could allow the attacker to compromise the integrity and confidentiality of the system by gaining access to sensitive features or data. It is crucial for users and administrators to apply security updates and assessments to mitigate the risks associated with this vulnerability.

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Affected Version(s)

Windows 10 Version 1507 32-bit Systems 10.0.10240.0 < 10.0.10240.21073

Windows 10 Version 1607 32-bit Systems 10.0.14393.0 < 10.0.14393.8246

Windows 10 Version 1809 32-bit Systems 10.0.17763.0 < 10.0.17763.7558

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE...
vendor-advisory

CVSS V3.1

Score:
7.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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