CVE-2026-32216

Null pointer dereference in Windows Redirected Drive Buffering allows an authorized attacker to deny service locally.

CVSS v3 5.5 MEDIUM

5.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-32216	Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:microsoft:windows_11_26h1:::::::arm64:*
	cpe:2.3:o:microsoft:windows_11_26h1:::::::x64:*

History

26 Oct 2026, 21:10

Type	Values Removed	Values Added
Summary		(es) Desreferencia de puntero nulo en el Búfer de Redirección de Unidades de Windows permite a un atacante autorizado denegar el servicio localmente.

Information

Published : 2026-04-14 18:17

Updated : 2026-10-26 21:10

NVD link : CVE-2026-32216

Mitre link : CVE-2026-32216

CVE.ORG link : CVE-2026-32216

JSON object : View

Products Affected

microsoft

windows_11_26h1

CWE

CWE-476

NULL Pointer Dereference

{"id": "CVE-2026-32216", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-32216", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "version": "2.0.3", "timestamp": "2026-04-15T03:57:53.501482Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "secure@microsoft.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 1.8}]}, "affected": [{"source": "secure@microsoft.com", "affectedData": [{"vendor": "Microsoft", "product": "Windows 11 version 26H1", "versions": [{"status": "affected", "version": "10.0.28000.0", "lessThan": "10.0.28000.1836", "versionType": "custom"}], "platforms": ["ARM64-based Systems", "x64-based Systems"]}]}], "published": "2026-04-14T18:17:28.880", "references": [{"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-32216", "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 Redirected Drive Buffering allows an authorized attacker to deny service locally."}, {"lang": "es", "value": "Desreferencia de puntero nulo en el B\u00fafer de Redirecci\u00f3n de Unidades de Windows permite a un atacante autorizado denegar el servicio localmente."}], "lastModified": "2026-10-26T21:10:00.170", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:microsoft:windows_11_26h1:*:*:*:*:*:*:arm64:*", "vulnerable": true, "matchCriteriaId": "690E74A8-E72C-47B6-96EB-37C48D69A635", "versionEndExcluding": "10.0.28000.1836"}, {"criteria": "cpe:2.3:o:microsoft:windows_11_26h1:*:*:*:*:*:*:x64:*", "vulnerable": true, "matchCriteriaId": "13A01FA1-08DC-4E33-9FFC-AB4BCD9634CA", "versionEndExcluding": "10.0.28000.1836"}], "operator": "OR"}]}], "sourceIdentifier": "secure@microsoft.com"}