CVE-2026-34350

Null pointer dereference in Windows Storport Miniport Driver allows an unauthorized attacker to deny service over a network.

CVSS v3 6.5 MEDIUM

6.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-34350	Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:*:*

History

26 Oct 2026, 00:10

Type	Values Removed	Values Added
Summary		(es) Desreferencia de puntero nulo en el controlador de miniport Storport de Windows permite a un atacante no autorizado denegar el servicio a través de una red.

Information

Published : 2026-05-12 18:17

Updated : 2026-10-26 00:10

NVD link : CVE-2026-34350

Mitre link : CVE-2026-34350

CVE.ORG link : CVE-2026-34350

JSON object : View

Products Affected

microsoft

windows_server_2025

CWE

CWE-476

NULL Pointer Dereference

{"id": "CVE-2026-34350", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-34350", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-05-13T10:16:43.907558Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "secure@microsoft.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.5, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 2.8}]}, "affected": [{"source": "secure@microsoft.com", "affectedData": [{"vendor": "Microsoft", "product": "Windows Server 2025", "versions": [{"status": "affected", "version": "10.0.26100.0", "lessThan": "10.0.26100.32860", "versionType": "custom"}], "platforms": ["x64-based Systems"]}, {"vendor": "Microsoft", "product": "Windows Server 2025 (Server Core installation)", "versions": [{"status": "affected", "version": "10.0.26100.0", "lessThan": "10.0.26100.32860", "versionType": "custom"}], "platforms": ["x64-based Systems"]}]}], "published": "2026-05-12T18:17:09.540", "references": [{"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-34350", "tags": ["Vendor Advisory"], "source": "secure@microsoft.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "secure@microsoft.com", "description": [{"lang": "en", "value": "CWE-476"}]}], "descriptions": [{"lang": "en", "value": "Null pointer dereference in Windows Storport Miniport Driver allows an unauthorized attacker to deny service over a network."}, {"lang": "es", "value": "Desreferencia de puntero nulo en el controlador de miniport Storport de Windows permite a un atacante no autorizado denegar el servicio a trav\u00e9s de una red."}], "lastModified": "2026-10-26T00:10:00.150", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "9ABAB3B9-28AF-4278-8E78-E1191B1AFC0C", "versionEndExcluding": "10.0.26100.32772"}], "operator": "OR"}]}], "sourceIdentifier": "secure@microsoft.com"}