CVE-2026-34350
Windows Storport Miniport Driver Denial of Service Vulnerability
Null pointer dereference in Windows Storport Miniport Driver allows an unauthorized attacker to deny service over a network.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Windows Storport Miniport Driver Denial of Service Vulnerability
Null pointer dereference in Windows Storport Miniport Driver allows an unauthorized attacker to deny service over a network.
- Record
CVE-2026-34350- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C - Weakness
- CWE-476
- Updated
- 2026-11-02
EUVDEUVD-2026-29606
Null pointer dereference in Windows Storport Miniport Driver allows an unauthorized attacker to deny service over a network.
- Record
EUVD-2026-29606- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-j4rf-m955-wgf3
Null pointer dereference in Windows Storport Miniport Driver allows an unauthorized attacker to...
Null pointer dereference in Windows Storport Miniport Driver allows an unauthorized attacker to deny service over a network.
- Record
GHSA-j4rf-m955-wgf3- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Weakness
- CWE-476
- Updated
- 2026-11-02
NVD
Null pointer dereference in Windows Storport Miniport Driver allows an unauthorized attacker to deny service over a network.
- Record
CVE-2026-34350- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Weakness
- CWE-476
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-34350 is a medium vulnerability (CVSS 6.5) in Microsoft Windows Server 2025, published May 12, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.78%, the 56th percentile. No source names a fixed version.