National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2016-7255 Detail

Current 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."

Source:  MITRE
Description Last Modified:  11/10/2016
View Analysis Description

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 7.8 HIGH
Vector: AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H (V3 legend)
Impact Score: 5.9
Exploitability Score: 1.8


Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

CVSS v2.0 Severity and Metrics:

Base Score: 7.2 HIGH
Vector: (AV:L/AC:L/Au:N/C:C/I:C/A:C) (V2 legend)
Impact Subscore: 10.0
Exploitability Subscore: 3.9


Access Vector (AV): Local
Access Complexity (AC): Low
Authentication (AU): None
Confidentiality (C): Complete
Integrity (I): Complete
Availability (A): Complete
Additional Information:
Allows unauthorized disclosure of information
Allows unauthorized modification
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource
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://technet.microsoft.com/security/bulletin/MS16-135 Patch Vendor Advisory
http://www.securityfocus.com/bid/94064 Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1037251
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 Third Party Advisory
https://www.exploit-db.com/exploits/40745/
https://www.exploit-db.com/exploits/40823/ Exploit Third Party Advisory VDB Entry
https://www.exploit-db.com/exploits/41015/

Technical Details

Vulnerability Type (View All)

  • Permissions, Privileges, and Access Control (CWE-264)

Change History

11 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2016-7255
NVD Published Date:
11/10/2016
NVD Last Modified:
09/02/2017