Microsoft Windows Storport Miniport Driver Null Pointer Dereference Denial-of-Service Vulnerability

Vulnerability

A null pointer dereference vulnerability has been identified in the Windows Storport Miniport Driver. This issue allows an unauthorized attacker to cause a denial-of-service condition over the network. The vulnerability arises because the driver does not properly handle null pointers, leading to a crash or unresponsive state that can be exploited remotely.

Impact

Exploitation of this vulnerability leads to a denial-of-service condition, causing the system to become unresponsive or unavailable.

Remediation

Users can apply the security update KB5087539 or KB5087423 (for Hotpatch) to address this vulnerability. These updates are available through the Microsoft Update Catalog.

Added: May 12, 2026, 8:04 PM
Updated: May 12, 2026, 8:04 PM

Vulnerability Rating

Custom Algorithm
spread
0.3
impact
2.5
exploitability
5.8
remediation
7.7
relevance
8.1
threat
0.0
urgency
2.9
incentive
0.0

Our algorithm analyzes dozens of metrics to generate these 8 key vulnerability categories, which are then combined to calculate the overall risk score.