CVE-2026-34350 Windows Storport Miniport Driver Denial of Service Vulnerability
An unauthorized attacker can cause a denial of service in Windows Storport Miniport Driver via a null pointer dereference.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-34350?
CVE-2026-34350 is a medium-severity vulnerability in Microsoft Windows Server 2025, published on 12 May 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
Null pointer dereference in Windows Storport Miniport Driver allows an unauthorized attacker to deny service over a network.
Weakness: CWE-476
Which versions are affected by CVE-2026-34350?
It affects 1 product.
Products include Microsoft Windows Server 2025.
How do I fix CVE-2026-34350?
No fix has been published for CVE-2026-34350 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-34350 being exploited?
There is no known exploitation of CVE-2026-34350 in the wild and no public exploit code.
Other vulnerabilities in Microsoft Windows Server 2025
- CVE-2026-69765 Windows Storport Miniport Driver Remote Code Execution Vulnerability
- CVE-2026-49169 Windows DNS Server Remote Code Execution Vulnerability
- CVE-2026-34332 Windows Kernel-Mode Driver Remote Code Execution Vulnerability
- CVE-2026-72928 Windows DNS Server Remote Code Execution Vulnerability
- CVE-2025-53779 Windows Kerberos Elevation of Privilege Vulnerability
Sources
Also known as GHSA-j4rf-m955-wgf3.