high7.8Known exploitedPublic exploit code
CVE-2016-7255
Microsoft Win32k Privilege Escalation Vulnerability
Exploited in the wild
This vulnerability is on a Known Exploited Vulnerabilities catalogue, added 2021-11-03. Federal due date: 2022-05-03.
Apply updates per vendor instructions.
Public exploit code
Working exploit or proof of concept code has been published for this vulnerability. Treat unpatched systems as at risk.
- Microsoft Windows Kernel - 'win32k.sys NtSetWindowLongPtr' Local Privilege Escalation (MS16-135) (2)2017-01-08 · local · windows
- Microsoft Windows Kernel - 'win32k.sys NtSetWindowLongPtr' Local Privilege Escalation (MS16-135) (1)2016-11-24 · local · windows
- Microsoft Windows Kernel - 'win32k' Denial of Service (MS16-135)2016-11-09 · dos · windows
Impact
The kernel-mode drivers 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, Windows 10 Gold, 1511, and 1607, and Windows Server 2016 allow local users to gain privileges via a crafted application, aka "Win32k Elevation of Privilege Vulnerability."
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Microsoft | Windows 10 1507 | All versions |
| Microsoft | Windows 10 1511 | All versions |
| Microsoft | Windows 10 1607 | All versions |
| Microsoft | Windows 7 | All versions |
| Microsoft | Windows 8.1 | All versions |
| Microsoft | Windows Rt 8.1 | All versions |
| Microsoft | Windows Server 2008 | All versions Version r2 |
| Microsoft | Windows Server 2012 | All versions Version r2 |
| Microsoft | Windows Server 2016 | All versions |
| Microsoft | Windows Vista | All versions |
References
- NVD record
- CVE.org record
- CISA KEV catalog
- http://blog.trendmicro.com/trendlabs-security-intelligence/one-bit-rule-system-analyzing-cve-2016-7255-exploit-wild/
- http://packetstormsecurity.com/files/140468/Microsoft-Windows-Kernel-win32k.sys-NtSetWindowLongPtr-Privilege-Escalation.html
- http://www.securityfocus.com/bid/94064
- http://www.securitytracker.com/id/1037251
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-135
- https://github.com/mwrlabs/CVE-2016-7255
- https://securingtomorrow.mcafee.com/mcafee-labs/digging-windows-kernel-privilege-escalation-vulnerability-cve-2016-7255/
- https://security.googleblog.com/2016/10/disclosing-vulnerabilities-to-protect.html
- https://www.exploit-db.com/exploits/40745/
- https://www.exploit-db.com/exploits/40823/
- https://www.exploit-db.com/exploits/41015/
- http://blog.trendmicro.com/trendlabs-security-intelligence/one-bit-rule-system-analyzing-cve-2016-7255-exploit-wild/
- http://packetstormsecurity.com/files/140468/Microsoft-Windows-Kernel-win32k.sys-NtSetWindowLongPtr-Privilege-Escalation.html
- http://www.securityfocus.com/bid/94064
- http://www.securitytracker.com/id/1037251
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-135
- https://github.com/mwrlabs/CVE-2016-7255
- https://securingtomorrow.mcafee.com/mcafee-labs/digging-windows-kernel-privilege-escalation-vulnerability-cve-2016-7255/
- https://security.googleblog.com/2016/10/disclosing-vulnerabilities-to-protect.html
- https://www.exploit-db.com/exploits/40745/
- https://www.exploit-db.com/exploits/40823/
- https://www.exploit-db.com/exploits/41015/
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2016-7255