CVE-2016-7255
Microsoft Win32k Privilege Escalation Vulnerability
CVSS
7.8
Alta
EPSS
81.0%
p100
KEV
SIM
3 de nov. de 2021
Exploit Today
80
0-100
Publicado: 10 de nov. de 2016 · Última mod.: 10 de set. de 2026
Produto
Microsoft / Win32k
Vulnerabilidade
Microsoft Win32k Privilege Escalation Vulnerability
Adicionado ao KEV
3 de nov. de 2021
Corrigir até
3 de mai. de 2022
Uso conhecido em ransomware
Sim
Descrição 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.
Ação necessária
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/