Advisory Details

August 14th, 2025

(Pwn2Own) Microsoft Windows Exposed Dangerous Function Information Disclosure Vulnerability

ZDI-25-842
ZDI-CAN-27171

CVE ID CVE-2025-53156
CVSS SCORE 3.8, AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N
AFFECTED VENDORS Microsoft
AFFECTED PRODUCTS Windows
VULNERABILITY DETAILS

This vulnerability allows local attackers to disclose sensitive information on affected installations of Microsoft Windows. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.

The specific flaw exists within the Windows Storage Port Driver. The issue results from an exposed dangerous function. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of SYSTEM.

ADDITIONAL DETAILS Microsoft has issued an update to correct this vulnerability. More details can be found at:
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-53156
DISCLOSURE TIMELINE
  • 2025-06-12 - Vulnerability reported to vendor
  • 2025-08-14 - Coordinated public release of advisory
  • 2025-08-14 - Advisory Updated
CREDIT Angelboy (@scwuaptx) from DEVCORE Research Team
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