What’s Vulnerable › Vulnerabilities

CVE-2016-0099: Microsoft Windows Secondary Logon Service Privilege Escalation Vulnerability

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: yes — in CISA KEV since 2022-03-03
• EPSS: 37.0% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2016-03-09 · updated 2026-06-17
• Weakness: CWE-120

Description

The Secondary Logon Service in 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 does not properly process request handles, which allows local users to gain privileges via a crafted application, aka "Secondary Logon Elevation of Privilege Vulnerability."

Affected products

• Microsoft Windows 10 Version 1507: all versions
• Microsoft Windows 10 1511: all versions
• Microsoft Windows 7: all versions
• Microsoft Windows 8.1: all versions
• Microsoft Windows Server 2008: r2
• Microsoft Windows Server 2012: r2
• Microsoft Windows Vista: all versions

References

• http://www.securityfocus.com/bid/84034
• http://www.securitytracker.com/id/1035210
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-032
• https://www.exploit-db.com/exploits/39574/
• https://www.exploit-db.com/exploits/39719/
• https://www.exploit-db.com/exploits/39809/
• https://www.exploit-db.com/exploits/40107/
• http://www.securityfocus.com/bid/84034
• http://www.securitytracker.com/id/1035210
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-032
• https://www.exploit-db.com/exploits/39574/
• https://www.exploit-db.com/exploits/39719/

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