CVE-2016-0099
Microsoft Windows: Secondary Logon Service Privilege Escalation
As of , CVE-2016-0099 in Microsoft Windows is on CISA's list of exploited vulnerabilities: CISA listed it on . Our patch-first group: Patch this week.
- Exploited
- Yes: CISA listed it on 3 March 2022
- US federal deadline
- 24 March 202221 days after CISA listed it. US federal civilian agencies must fix it by then.
- Used in ransomware campaigns
- Known
- EPSS score
- 0.37Higher than 98% of the CVEs EPSS scores. EPSS estimates the chance of exploitation activity in the next 30 days.
- EPSS when listed
- 0.04 on 3 March 2022EPSS on the day CISA listed it.
- Public exploit
- 1 Metasploit module and 4 Exploit-DB entries (4 verified)
- Fix
- No vendor link in CISA's entry
What CISA says to do
Apply updates per vendor instructions.
CISA's required action
What the flaw is
A privilege escalation vulnerability exists in Microsoft Windows if the Windows Secondary Logon Service fails to properly manage request handles in memory. An attacker who successfully exploited this vulnerability could run arbitrary code as an administrator.
CISA's 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."
The CVE record's description, from microsoft
- CVE published
- 9 March 2016
- Assigned by
- microsoft
- CVSS
- 7.8 High (CVSS 3.1, from CISA-ADP)
- CWE-120
- Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
- CWE-264
- Permissions, Privileges, and Access Controls
- CISA SSVC, exploitation
- active
- CISA SSVC, automatable
- no
- CISA SSVC, technical impact
- total
Timeline
- The CVE record was published.
- Exploit-DB published an exploit (EDB-ID 39574).
- Exploit-DB published an exploit (EDB-ID 39719).
- Exploit-DB published an exploit (EDB-ID 39809).
- Exploit-DB published an exploit (EDB-ID 40107).
- CISA added it to its list of exploited vulnerabilities.
- The US federal deadline to fix it.
Public exploits
Facts from Metasploit's module list and Exploit-DB's index; we never copy exploit code.
- Metasploit: MS16-032 Secondary Logon Handle Privilege Escalationexploit module, rank normal
- Exploit-DB: Microsoft Windows 7 < 10 / 2008 < 2012 (x86/x64) - Secondary Logon Handle Privilege Escalation (MS16-032) (Metasploit)EDB-ID 40107, verified by Exploit-DB, 13 July 2016
- Exploit-DB: Microsoft Windows 7 < 10 / 2008 < 2012 (x86/x64) - Local Privilege Escalation (MS16-032)EDB-ID 39809, verified by Exploit-DB, 25 April 2016
- Exploit-DB: Microsoft Windows 7 < 10 / 2008 < 2012 R2 (x86/x64) - Local Privilege Escalation (MS16-032) (PowerShell)EDB-ID 39719, verified by Exploit-DB, 21 April 2016
- Exploit-DB: Microsoft Windows 8.1/10 (x86) - Secondary Logon Standard Handles Missing Sanitization Privilege Escalation (MS16-032)EDB-ID 39574, verified by Exploit-DB, 21 March 2016
Windows: other exploited entries
| Vulnerability | Product | Our group | Listed | Deadline | EPSS |
|---|---|---|---|---|---|
| CVE-2025-60710Link Following | Microsoft Windows | Patch nowRansomware use, listed within a year | 0.05 | ||
| CVE-2008-4250Buffer Overflow | Microsoft Windows | Patch this weekMetasploit module; EPSS 0.99; verified Exploit-DB entry | 0.99 | ||
| CVE-2008-0015Video ActiveX Control Remote Code Execution | Microsoft Windows | Patch this weekMetasploit module; EPSS 0.77; verified Exploit-DB entry | 0.77 | ||
| CVE-2013-3918Out-of-Bounds Write | Microsoft Windows | Patch this weekMetasploit module; EPSS 0.74; verified Exploit-DB entry | 0.74 | ||
| CVE-2010-2568Remote Code Execution | Microsoft Windows | Patch this weekMetasploit module; EPSS 0.91; verified Exploit-DB entry | 0.91 | ||
| CVE-2015-0016TS WebProxy Directory Traversal | Microsoft Windows | Patch this weekMetasploit module; EPSS 0.76; verified Exploit-DB entry | 0.76 | ||
| CVE-2015-2426Adobe Type Manager Library Remote Code Execution | Microsoft Windows | Patch this weekMetasploit module; EPSS 0.87; verified Exploit-DB entry | 0.87 | ||
| CVE-2014-6332Object Linking & Embedding (OLE) Automation Array Remote Code Execution | Microsoft Windows | Patch this weekMetasploit module; EPSS 0.95; verified Exploit-DB entry | 0.95 | ||
| CVE-2017-0146SMB Remote Code Execution | Microsoft Windows | Patch this weekRansomware use; Metasploit module; EPSS 0.90; verified Exploit-DB entry | 0.90 | ||
| CVE-2014-4114Object Linking & Embedding (OLE) Remote Code Execution | Microsoft Windows | Patch this weekMetasploit module; EPSS 0.82; verified Exploit-DB entry | 0.82 |
Read further
- CVE recordcve.org
- NVD entrynvd.nist.gov
- CISA's catalogcisa.gov
- EPSS for this CVEapi.first.org