Base Score

HIGH7.8

CVE-2025-55230

Untrusted pointer dereference in Windows MBT Transport driver allows an authorized attacker to elevate privileges locally.

VectorLOCAL

Published Bysecure@microsoft.com

Published DateAug 21, 2025, 20:15

Weakness Type (CWE):CWE-822

CVSS Metrics

Base Score

7.8

Vector String

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Base Severity

HIGH

Version

3.1

Attack Vector (AV)

LOCAL

Attack Complexity (AC)

LOW

Privileges Required (PR)

LOW

User Interaction (UI)

NONE

Scope (S)

UNCHANGED

Confidentiality (C)

HIGH

Integrity (I)

HIGH

Availability (A)

HIGH

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-55230

Base Score

HIGH7.8

Weakness Type (CWE):CWE-822

CVSS Metrics

Base Score

7.8

Vector String

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Base Severity

HIGH

Version

3.1

Attack Vector (AV)

LOCAL

Attack Complexity (AC)

LOW

Privileges Required (PR)

LOW

User Interaction (UI)

NONE

Scope (S)

UNCHANGED

Confidentiality (C)

HIGH

Integrity (I)

HIGH

Availability (A)

HIGH