CVE-2016-0099
Microsoft Windows Secondary Logon Service Privilege Escalation
- Published9 Mar 2016
- Added to CISA KEV3 Mar 2022
- Remediation due24 Mar 2022
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."
CVSS 3.1 breakdown
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HAffected products
Remediation
No fixed version is recorded in the NVD data. Check the vendor advisory for the latest guidance.
References
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-032
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2016-0099
- 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
Related CVEs
Recent high-severity vulnerabilities sharing a weakness type.
Frequently asked
Is CVE-2016-0099 being actively exploited?
Yes. CVE-2016-0099 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added 3 Mar 2022. It has been used in ransomware campaigns.
How severe is CVE-2016-0099?
CVE-2016-0099 has a CVSS 3.1 base score of 7.8, rated high. EPSS estimates a 37.0% probability of exploitation.
Which products are affected by CVE-2016-0099?
Affected products include Microsoft Windows 10 1507, Microsoft Windows 10 1511, Microsoft Windows 7, Microsoft Windows 8.1, Microsoft Windows Server 2008, and 2 more.
How do I fix CVE-2016-0099?
Apply the vendor's patch or advisory guidance, then verify no affected versions remain across your devices.
How Secuno handles this
Secuno correlates vulnerabilities like CVE-2016-0099 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. Because it is on the CISA KEV list, Secuno flags any affected asset as top-priority automatically. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.
Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.