CVE-2025-53156: Windows Storage Port Driver Information Disclosure Vulnerability

Overview

Severity

Medium (CVSS 5.5)

CVSS Vector

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

Category

Information Disclosure

Exploit Status

Not Exploited

Exploitation Likelihood

More Likely

Patch Tuesday

2025-Aug

Released

2025-08-12

EPSS Score

0.08% (percentile: 24.4%)

Description

Exposure of sensitive information to an unauthorized actor in Storage Port Driver allows an authorized attacker to disclose information locally.

FAQ

What type of information could be disclosed by this vulnerability? Exploiting this vulnerability could allow the disclosure of certain kernel memory content.

Affected Products (5)

Windows

• Windows Server 2025 (Server Core installation)
• Windows Server 2022, 23H2 Edition (Server Core installation)
• Windows 11 Version 24H2 for ARM64-based Systems
• Windows 11 Version 24H2 for x64-based Systems
• Windows Server 2025

Security Updates (3)

• 5063878
• 5064010
• 5063899

Acknowledgments

Anonymous, DEVCORE - Angelboy (@scwuaptx) from DEVCORE Research Team with Trend Zero Day Initiative

Revision History

• 2025-08-12: Information published.