NULL pointer dereference in Windows Server - CVE-2026-34350
Published: May 12, 2026
Vulnerability identifier: #VU131224
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-34350
CWE-ID: CWE-476
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a NULL pointer dereference error in Windows Storport Miniport Driver. A remote attacker can trick a victim to connect to the affected server and run a specific command and perform a denial of service (DoS) attack.
Affected software
Windows Server
How to mitigate CVE-2026-34350
Install updates from vendor's website.
Windows Server - addressed in versions 2025 10.0.26100.32772, 2025 10.0.26100.32860