CVE-2026-34350: CWE-476: NULL Pointer Dereference in Microsoft Windows Server 2025
Null pointer dereference in Windows Storport Miniport Driver allows an unauthorized attacker to deny service over a network.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-34350) is a null pointer dereference in the Windows Storport Miniport Driver component of Microsoft Windows Server 2025, specifically affecting version 10.0.26100.0. The flaw allows an unauthenticated attacker to cause a denial of service remotely by triggering the null pointer dereference. The CVSS v3.1 base score is 6.5, reflecting network attack vector, low attack complexity, no privileges required, user interaction required, and an impact limited to availability. Microsoft has released an official fix to address this issue.
Potential Impact
An attacker can remotely cause a denial of service on affected Windows Server 2025 systems by exploiting the null pointer dereference in the Storport Miniport Driver. This results in service disruption but does not impact confidentiality or integrity. There are no known exploits in the wild at this time.
Mitigation Recommendations
An official fix is available from Microsoft. Administrators should apply the security update provided in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-34350 to remediate this vulnerability.
CVE-2026-34350: CWE-476: NULL Pointer Dereference in Microsoft Windows Server 2025
Description
Null pointer dereference in Windows Storport Miniport Driver allows an unauthorized attacker to deny service over a network.
CVSS v3.1
Score 6.5medium
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-34350) is a null pointer dereference in the Windows Storport Miniport Driver component of Microsoft Windows Server 2025, specifically affecting version 10.0.26100.0. The flaw allows an unauthenticated attacker to cause a denial of service remotely by triggering the null pointer dereference. The CVSS v3.1 base score is 6.5, reflecting network attack vector, low attack complexity, no privileges required, user interaction required, and an impact limited to availability. Microsoft has released an official fix to address this issue.
Potential Impact
An attacker can remotely cause a denial of service on affected Windows Server 2025 systems by exploiting the null pointer dereference in the Storport Miniport Driver. This results in service disruption but does not impact confidentiality or integrity. There are no known exploits in the wild at this time.
Mitigation Recommendations
An official fix is available from Microsoft. Administrators should apply the security update provided in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-34350 to remediate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-03-26T21:02:16.447Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-34350","vendor":"Microsoft"}]
Threat ID: 6a036540cbff5d861008c496
Added to database: 05/12/2026, 17:37:04 UTC
Last enriched: 06/19/2026, 17:33:28 UTC
Last updated: 07/31/2026, 19:22:58 UTC
Views: 50
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