CVE-2016-3300

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Summary

CVECVE-2016-3300
StatePUBLISHED
Assignermicrosoft
Source PriorityCVE Program / NVD first with legacy fallback
Published2016-08-09 21:59:10 UTC
Updated2026-05-06 22:30:45 UTC
DescriptionThe Netlogon service in Microsoft Windows 8.1, Windows Server 2012 Gold and R2, and Windows RT 8.1 improperly establishes secure communications channels, which allows local users to gain privileges by leveraging access to a domain-joined machine, aka "Netlogon Elevation of Privilege Vulnerability."

Risk And Classification

Primary CVSS: v3.0 7.8 HIGH from [email protected]

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS: 0.013080000 probability, percentile 0.675780000 (date 2026-07-22)

Problem Types: CWE-264 | n/a

VersionSourceTypeScoreSeverityVector
3.0[email protected]Primary7.8HIGHCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
2.0[email protected]Primary7.2AV:L/AC:L/Au:N/C:C/I:C/A:C

CVSS v3.0 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS v2.0 Breakdown

Access Vector
Local
Access Complexity
Low
Authentication
None
Confidentiality
Complete
Integrity
Complete
Availability
Complete

AV:L/AC:L/Au:N/C:C/I:C/A:C

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Microsoft Windows 8.1 - All All All
Operating System Microsoft Windows Rt 8.1 - All All All
Operating System Microsoft Windows Server 2012 - All All All
Operating System Microsoft Windows Server 2012 r2 All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
Microsoft Windows Netlogon CVE-2016-3300 Remote Privilege Escalation Vulnerability af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com Third Party Advisory, VDB Entry
Microsoft Security Bulletin MS16-101 - Important | Microsoft Docs af854a3a-2127-422b-91ae-364da2661108 docs.microsoft.com Patch, Vendor Advisory
Windows NetLogon Bug Lets Local Users Gain Elevated Privileges and Kerberos Bug Lets Remote Users Bypass Authentication in Certain Cases - SecurityTracker af854a3a-2127-422b-91ae-364da2661108 www.securitytracker.com Third Party Advisory, VDB Entry
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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