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Vulnerability record · CVE-2016-3223 · published 16 June 2016

CVE-2016-3223: Microsoft windows 10 permissions and access controls vulnerability

Microsoft · Windows 10

Microsoft Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8.1, Windows Server 2012 Gold and R2, Windows RT 8.1, and Windows 10 Gold and 1511 mishandle LDAP authentication, which allows man-in-the-middle attackers to gain privileges by modifying group-policy update data within a domain-controller data stream, aka "Group Policy Elevation of Privilege Vulnerability."

8.1 CVSS 3.0 High EPSS 21% · top 2.5% CWE-264 · Permissions and access controls
8.1CVSS 3.0 base score, v2 9.3
21%EPSS exploitation probability, 30 days
NoNot in CISA KEV
7Affected product versions listed by NVD
8References
17 Jun 2026Last modified by NVD

Description

Microsoft Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8.1, Windows Server 2012 Gold and R2, Windows RT 8.1, and Windows 10 Gold and 1511 mishandle LDAP authentication, which allows man-in-the-middle attackers to gain privileges by modifying group-policy update data within a domain-controller data stream, aka "Group Policy Elevation of Privilege Vulnerability."

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

Affected products

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

References

LinkTags
http://packetstormsecurity.com/files/138248/Microsoft-Windows-7-Group-Policy-Privilege-Escalation.html
http://www.securitytracker.com/id/1036100
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-072
https://www.exploit-db.com/exploits/40219/
http://packetstormsecurity.com/files/138248/Microsoft-Windows-7-Group-Policy-Privilege-Escalation.html
http://www.securitytracker.com/id/1036100
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-072
https://www.exploit-db.com/exploits/40219/

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Related vulnerabilities

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

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Source: NIST National Vulnerability Database (record CVE-2016-3223), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.