CVE-2016-7255
Microsoft Win32k Privilege Escalation Vulnerability
CVSS
7.8
Alto
EPSS
81.0%
p100
KEV
SÍ
3 nov 2021
Exploit Today
80
0-100
Publicado: 10 nov 2016 · Última mod.: 10 sept 2026
Producto
Microsoft / Win32k
Vulnerabilidad
Microsoft Win32k Privilege Escalation Vulnerability
Añadido a KEV
3 nov 2021
Remediar antes de
3 may 2022
Uso conocido en ransomware
Sí
Descripción resumida
Microsoft Win32k kernel-mode driver fails to properly handle objects in memory which allows for privilege escalation. Successful exploitation allows an attacker to run code in kernel mode.
Acción requerida
Apply updates per vendor instructions.
Notas
https://nvd.nist.gov/vuln/detail/CVE-2016-7255
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."
- blog.trendmicro.comhttp://blog.trendmicro.com/trendlabs-security-intelligence/one-bit-rule-system-analyzing-cve-2016-7255-exploit-wild/
- packetstormsecurity.comhttp://packetstormsecurity.com/files/140468/Microsoft-Windows-Kernel-win32k.sys-NtSetWindowLongPtr-Privilege-Escalation.html
- www.securityfocus.comhttp://www.securityfocus.com/bid/94064
- www.securitytracker.comhttp://www.securitytracker.com/id/1037251
- docs.microsoft.comhttps://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-135
- github.comhttps://github.com/mwrlabs/CVE-2016-7255
- securingtomorrow.mcafee.comhttps://securingtomorrow.mcafee.com/mcafee-labs/digging-windows-kernel-privilege-escalation-vulnerability-cve-2016-7255/
- security.googleblog.comhttps://security.googleblog.com/2016/10/disclosing-vulnerabilities-to-protect.html
- www.exploit-db.comhttps://www.exploit-db.com/exploits/40745/
- www.exploit-db.comhttps://www.exploit-db.com/exploits/40823/
- www.exploit-db.comhttps://www.exploit-db.com/exploits/41015/
- blog.trendmicro.comhttp://blog.trendmicro.com/trendlabs-security-intelligence/one-bit-rule-system-analyzing-cve-2016-7255-exploit-wild/
- packetstormsecurity.comhttp://packetstormsecurity.com/files/140468/Microsoft-Windows-Kernel-win32k.sys-NtSetWindowLongPtr-Privilege-Escalation.html
- www.securityfocus.comhttp://www.securityfocus.com/bid/94064
- www.securitytracker.comhttp://www.securitytracker.com/id/1037251
- docs.microsoft.comhttps://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-135
- github.comhttps://github.com/mwrlabs/CVE-2016-7255
- securingtomorrow.mcafee.comhttps://securingtomorrow.mcafee.com/mcafee-labs/digging-windows-kernel-privilege-escalation-vulnerability-cve-2016-7255/
- security.googleblog.comhttps://security.googleblog.com/2016/10/disclosing-vulnerabilities-to-protect.html
- www.exploit-db.comhttps://www.exploit-db.com/exploits/40745/