CVE-2016-7255
Microsoft Win32k Privilege Escalation Vulnerability
Severity Score
7.8
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
11
*Multiple Sources
Exploited in Wild
Yes
*KEV
Decision
Act
*SSVC
Descriptions
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."
Los controladores kernel-mode en Microsoft Windows Vista SP2, Windows Server 2008 SP2 y R2 SP1, Windows 7 SP1, Windows 8.1, Windows Server 2012 Gold y R2, Windows RT 8.1, Windows 10 Gold, 1511 y 1607 y Windows Server 2016 permiten a usuarios locales obtener privilegios a través de una aplicación manipulada, vulnerabilidad también conocida como "Win32k Elevation of Privilege Vulnerability".
The Microsoft Windows kernel suffers from a denial of service vulnerability as outlined in MS16-135.
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.
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Authentication
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:Act
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2016-09-09 CVE Reserved
- 2016-11-10 CVE Published
- 2016-11-14 First Exploit
- 2021-11-03 Exploited in Wild
- 2022-05-03 KEV Due Date
- 2025-02-10 CVE Updated
- 2025-03-18 EPSS Updated
CWE
- CWE-264: Permissions, Privileges, and Access Controls
CAPEC
References (19)
| URL | Tag | Source |
|---|---|---|
| http://blog.trendmicro.com/trendlabs-security-intelligence/one-bit-rule-system-analyzing-cve-2016-7255-exploit-wild | X_refsource_misc | |
| http://packetstormsecurity.com/files/140468/Microsoft-Windows-Kernel-win32k.sys-NtSetWindowLongPtr-Privilege-Escalation.html | X_refsource_misc |
|
| http://www.securityfocus.com/bid/94064 | Third Party Advisory | |
| http://www.securitytracker.com/id/1037251 | Vdb Entry | |
| https://github.com/mwrlabs/CVE-2016-7255 | X_refsource_misc | |
| https://securingtomorrow.mcafee.com/mcafee-labs/digging-windows-kernel-privilege-escalation-vulnerability-cve-2016-7255 | X_refsource_misc | |
| https://security.googleblog.com/2016/10/disclosing-vulnerabilities-to-protect.html | Third Party Advisory |
| URL | Date | SRC |
|---|---|---|
| https://packetstorm.news/files/id/140468 | 2017-01-12 | |
| https://packetstorm.news/files/id/139701 | 2016-11-14 | |
| https://packetstorm.news/files/id/139927 | 2016-11-28 | |
| https://www.exploit-db.com/exploits/40745 | 2025-02-10 | |
| https://www.exploit-db.com/exploits/41015 | 2025-02-10 | |
| https://www.exploit-db.com/exploits/40823 | 2025-02-10 | |
| https://github.com/FSecureLABS/CVE-2016-7255 | 2017-03-09 | |
| https://github.com/heh3/CVE-2016-7255 | 2017-01-13 | |
| https://github.com/homjxi0e/CVE-2016-7255 | 2017-04-15 | |
| https://github.com/yuvatia/page-table-exploitation | 2023-12-30 | |
| https://github.com/bbolmin/cve-2016-7255_x86_x64 | 2018-09-14 |
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|---|---|
| https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-135 | 2018-10-12 |
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Microsoft Search vendor "Microsoft" | Windows 10 Search vendor "Microsoft" for product "Windows 10" | - | - |
Affected
| ||||||
| Microsoft Search vendor "Microsoft" | Windows 10 Search vendor "Microsoft" for product "Windows 10" | 1511 Search vendor "Microsoft" for product "Windows 10" and version "1511" | - |
Affected
| ||||||
| Microsoft Search vendor "Microsoft" | Windows 10 Search vendor "Microsoft" for product "Windows 10" | 1607 Search vendor "Microsoft" for product "Windows 10" and version "1607" | - |
Affected
| ||||||
| Microsoft Search vendor "Microsoft" | Windows 7 Search vendor "Microsoft" for product "Windows 7" | * | sp1 |
Affected
| ||||||
| Microsoft Search vendor "Microsoft" | Windows 8.1 Search vendor "Microsoft" for product "Windows 8.1" | * | - |
Affected
| ||||||
| Microsoft Search vendor "Microsoft" | Windows Rt 8.1 Search vendor "Microsoft" for product "Windows Rt 8.1" | * | - |
Affected
| ||||||
| Microsoft Search vendor "Microsoft" | Windows Server 2008 Search vendor "Microsoft" for product "Windows Server 2008" | * | sp2 |
Affected
| ||||||
| Microsoft Search vendor "Microsoft" | Windows Server 2008 Search vendor "Microsoft" for product "Windows Server 2008" | r2 Search vendor "Microsoft" for product "Windows Server 2008" and version "r2" | sp1 |
Affected
| ||||||
| Microsoft Search vendor "Microsoft" | Windows Server 2012 Search vendor "Microsoft" for product "Windows Server 2012" | - | - |
Affected
| ||||||
| Microsoft Search vendor "Microsoft" | Windows Server 2012 Search vendor "Microsoft" for product "Windows Server 2012" | r2 Search vendor "Microsoft" for product "Windows Server 2012" and version "r2" | - |
Affected
| ||||||
| Microsoft Search vendor "Microsoft" | Windows Server 2016 Search vendor "Microsoft" for product "Windows Server 2016" | * | - |
Affected
| ||||||
| Microsoft Search vendor "Microsoft" | Windows Vista Search vendor "Microsoft" for product "Windows Vista" | * | sp2 |
Affected
| ||||||