Vulnerability · Published May 12, 2026 · Assigned by microsoft
CVE-2026-34350Windows Storport Miniport Driver Denial of Service Vulnerability
Medium 6.5
In plain English
A medium-severity null pointer dereference in Windows Server 2025 from Microsoft. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.8% (higher than 56% of all known vulnerabilities).
Severity (CVSS 3.1)6.5Medium
Exploit odds (30 days)0.8%top 43.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Null pointer dereference in Windows Storport Miniport Driver allows an unauthorized attacker to deny service over a network.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Windows Server 2025 | 10.0.26100.0 – before 10.0.26100.32860 |
| Microsoft | Windows Server 2025 (Server Core installation) | 10.0.26100.0 – before 10.0.26100.32860 |
Weakness: CWE-476 · Vector: 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
References
- Windows Storport Miniport Driver Denial of Service Vulnerability vendor-advisory, patch