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Vulnerability record · CVE-2016-3226 · published 16 June 2016

CVE-2016-3226: Microsoft windows server 2008 improper access control vulnerability

Microsoft · Windows Server 2008

Active Directory in Microsoft Windows Server 2008 R2 SP1 and Server 2012 Gold and R2 allows remote authenticated users to cause a denial of service (service hang) by creating many machine accounts, aka "Active Directory Denial of Service Vulnerability."

6.5 CVSS 3.0 Medium EPSS 11% · top 4.3% CWE-284 · Improper access control
6.5CVSS 3.0 base score, v2 4.0
11%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

Description

Active Directory in Microsoft Windows Server 2008 R2 SP1 and Server 2012 Gold and R2 allows remote authenticated users to cause a denial of service (service hang) by creating many machine accounts, aka "Active Directory Denial of Service Vulnerability."

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

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://www.securitytracker.com/id/1036108
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-081
http://www.securitytracker.com/id/1036108
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-081

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2016-3226), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.