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CVE-2016-7255

Published: Nov 10, 2016Updated: Apr 22, 2026 Sources: CVE List NVD BDUNVD-CWE-noinfo
7.8HIGH
NVD MITRE
EPSS Score
81.0%
Top 0.4%
CISA KEV
Active Exploitation
Since Nov 3, 2021
Exploits
5 Known
Remediation
Patch Available
Self-Check
OpenVAS

Description

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."

No summary for this CVE yet.

CVSS Vector Breakdown

AV:LAC:LPR:NUI:RS:UC:HI:HA:H
Exploitability
AV:LAttack Vector
Local
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:RUser Interaction
Required
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

NVD-CWE-noinfo

Affected Products

Microsoft Corp
commercial·USaka microsoft, microsoft corporation
Windows 10On-premOS
Operating Systems / windows
Windows 7 Service Pack 1On-premOS
Operating Systems / windows
Windows 8.1On-premOS
Operating Systems / windows
Windows RT 8.1On-premOS
Operating Systems / windows
Windows Server 2008 Service Pack 2On-premOS
Operating Systems / windows
Windows Server 2012 GoldOn-premOS
Operating Systems / windows
Windows Server 2016On-premOS
Operating Systems / windows
windows vistaOS
Operating Systems / windows
and 14 more affected products View all →

Exploitability

CISA Known Exploited Vulnerability
Added to KEV:Nov 3, 2021
Remediation due:May 3, 2022

Required action: Apply updates per vendor instructions.

5 exploit sources identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details
Official Patch Available
Is your org exposed to CVE-2016-7255?We can run the check for you — a free external exposure review, no install. Check my exposure

References

http://blog.trendmicro.com/trendlabs-security-intelligence/one-bit-rule-system-analyzing-cve-2016-7255-exploit-wild/
blog.trendmicro.com
http://packetstormsecurity.com/files/140468/Microsoft-Windows-Kernel-win32k.sys-NtSetWindowLongPtr-Privilege-Escalation.html
packetstormsecurity.com
http://www.securityfocus.com/bid/94064
securityfocus.com
and 10 more references View all →

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