Known Exploited Vulnerability
7.8
HIGH
CVE-2016-7255
Microsoft Win32k Privilege Escalation Vulnerabilit - [Actively Exploited]
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."

INFO

Published Date :

Nov. 10, 2016, 7 a.m.

Last Modified :

July 25, 2024, 1:56 p.m.

Source :

[email protected]

Remotely Exploitable :

No

Impact Score :

5.9

Exploitability Score :

1.8
CISA Notification
CISA KEV (Known Exploited Vulnerabilities)

For the benefit of the cybersecurity community and network defenders—and to help every organization better manage vulnerabilities and keep pace with threat activity—CISA maintains the authoritative source of vulnerabilities that have been exploited in the wild.

Description :

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.

Required Action :

Apply updates per vendor instructions.

Public PoC/Exploit Available at Github

CVE-2016-7255 has a 58 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

Affected Products

The following products are affected by CVE-2016-7255 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Microsoft windows_10
2 Microsoft windows_7
3 Microsoft windows_8.1
4 Microsoft windows_rt_8.1
5 Microsoft windows_server_2008
6 Microsoft windows_server_2012
7 Microsoft windows_server_2016
8 Microsoft windows_vista
9 Microsoft windows_10_1607
10 Microsoft windows_10_1507
11 Microsoft windows_10_1511
: Total Affected Vendor : 1 | Products : 11
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2016-7255.

URL Resource
http://blog.trendmicro.com/trendlabs-security-intelligence/one-bit-rule-system-analyzing-cve-2016-7255-exploit-wild/ Broken Link
http://packetstormsecurity.com/files/140468/Microsoft-Windows-Kernel-win32k.sys-NtSetWindowLongPtr-Privilege-Escalation.html Exploit Third Party Advisory VDB Entry
http://www.securityfocus.com/bid/94064 Broken Link Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1037251 Broken Link Third Party Advisory VDB Entry
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-135 Patch Vendor Advisory
https://github.com/mwrlabs/CVE-2016-7255 Third Party Advisory
https://securingtomorrow.mcafee.com/mcafee-labs/digging-windows-kernel-privilege-escalation-vulnerability-cve-2016-7255/ Broken Link
https://security.googleblog.com/2016/10/disclosing-vulnerabilities-to-protect.html Third Party Advisory
https://www.exploit-db.com/exploits/40745/ Exploit Third Party Advisory VDB Entry
https://www.exploit-db.com/exploits/40823/ Exploit Third Party Advisory VDB Entry
https://www.exploit-db.com/exploits/41015/ Exploit Third Party Advisory VDB Entry

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Profile Photo
MustafaNafizDurukan/WindowsKernelExploitationResources

None

Updated: 3 months, 1 week ago
0 stars 0 fork 0 watcher
Born at : July 25, 2024, 4:36 p.m. This repo has been linked 17 different CVEs too.
Profile Photo
Cruxer8Mech/Idk

None

Updated: 5 months, 1 week ago
0 stars 0 fork 0 watcher
Born at : May 26, 2024, 1:37 p.m. This repo has been linked 233 different CVEs too.
Profile Photo
twensoo/PersistentThreat

RedTeam link

Updated: 6 months, 2 weeks ago
1 stars 0 fork 0 watcher
Born at : Nov. 7, 2023, 2:12 p.m. This repo has been linked 34 different CVEs too.
Profile Photo
CVEDB/awesome-cve-repo

None

Shell

Updated: 1 month, 4 weeks ago
3 stars 2 fork 2 watcher
Born at : March 23, 2023, 4:32 a.m. This repo has been linked 435 different CVEs too.
Profile Photo
CVEDB/top

None

Shell

Updated: 1 month, 4 weeks ago
1 stars 0 fork 0 watcher
Born at : March 19, 2023, 1:53 a.m. This repo has been linked 265 different CVEs too.
Profile Photo
lnick2023/nicenice

None

Updated: 1 year, 9 months ago
0 stars 0 fork 0 watcher
Born at : Jan. 11, 2023, 1:21 p.m. This repo has been linked 1042 different CVEs too.
Profile Photo
weeka10/-hktalent-TOP

None

Shell

Updated: 1 year, 7 months ago
2 stars 0 fork 0 watcher
Born at : Nov. 16, 2022, 9:38 a.m. This repo has been linked 256 different CVEs too.
Profile Photo
cyberanand1337x/bug-bounty-2022

None

Updated: 1 year, 10 months ago
0 stars 0 fork 0 watcher
Born at : Sept. 30, 2022, 6:29 p.m. This repo has been linked 253 different CVEs too.
Profile Photo
jbmihoub/all-poc

None

Shell

Updated: 2 months, 4 weeks ago
1 stars 1 fork 1 watcher
Born at : Aug. 25, 2022, 12:16 a.m. This repo has been linked 250 different CVEs too.
Profile Photo
Ostorlab/KEV

Ostorlab KEV: One-command to detect most remotely known exploitable vulnerabilities. Sourced from CISA KEV, Google's Tsunami, Ostorlab's Asteroid and Bug Bounty programs.

cisa-kev vulnerability 0day cisa exploits

Updated: 1 month, 4 weeks ago
516 stars 32 fork 32 watcher
Born at : April 19, 2022, 8:58 a.m. This repo has been linked 1181 different CVEs too.
Profile Photo
nobiusmallyu/kehai

None

Updated: 2 years, 6 months ago
0 stars 0 fork 0 watcher
Born at : April 18, 2022, 2:42 p.m. This repo has been linked 34 different CVEs too.
Profile Photo
paulveillard/cybersecurity-exploit-development

An ongoing & curated collection of awesome software best practices and techniques, libraries and frameworks, E-books and videos, websites, blog posts, links to github Repositories, technical guidelines and important resources about Exploit Development.

code-execution developer developer-experience developer-tools development development-tools exploit exploitation exploitation-framework exploitation-frameworks exploitation-menu vulnerability-detection

Updated: 4 months, 2 weeks ago
15 stars 5 fork 5 watcher
Born at : April 17, 2022, 11:20 p.m. This repo has been linked 23 different CVEs too.
Profile Photo
NitroA/windowsexpoitationresources

None

Updated: 1 year, 1 month ago
1 stars 1 fork 1 watcher
Born at : March 19, 2022, 6:41 a.m. This repo has been linked 17 different CVEs too.
Profile Photo
GhostTroops/TOP

TOP All bugbounty pentesting CVE-2023- POC Exp RCE example payload Things

bugbounty cve exp exploit payload poc rce vulnerability

Shell

Updated: 1 month, 4 weeks ago
647 stars 116 fork 116 watcher
Born at : March 19, 2022, 1:54 a.m. This repo has been linked 273 different CVEs too.
Profile Photo
LegendSaber/exp

None

C++ C

Updated: 1 year, 11 months ago
4 stars 3 fork 3 watcher
Born at : March 10, 2022, 12:34 p.m. This repo has been linked 10 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2016-7255 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2016-7255 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • Modified Analysis by [email protected]

    Jul. 25, 2024

    Action Type Old Value New Value
    Removed CVSS V3 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    Added CVSS V3.1 NIST AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
    Changed Reference Type http://blog.trendmicro.com/trendlabs-security-intelligence/one-bit-rule-system-analyzing-cve-2016-7255-exploit-wild/ No Types Assigned http://blog.trendmicro.com/trendlabs-security-intelligence/one-bit-rule-system-analyzing-cve-2016-7255-exploit-wild/ Broken Link
    Changed Reference Type http://packetstormsecurity.com/files/140468/Microsoft-Windows-Kernel-win32k.sys-NtSetWindowLongPtr-Privilege-Escalation.html No Types Assigned http://packetstormsecurity.com/files/140468/Microsoft-Windows-Kernel-win32k.sys-NtSetWindowLongPtr-Privilege-Escalation.html Exploit, Third Party Advisory, VDB Entry
    Changed Reference Type http://www.securityfocus.com/bid/94064 Third Party Advisory, VDB Entry http://www.securityfocus.com/bid/94064 Broken Link, Third Party Advisory, VDB Entry
    Changed Reference Type http://www.securitytracker.com/id/1037251 No Types Assigned http://www.securitytracker.com/id/1037251 Broken Link, Third Party Advisory, VDB Entry
    Changed Reference Type https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-135 No Types Assigned https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-135 Patch, Vendor Advisory
    Changed Reference Type https://github.com/mwrlabs/CVE-2016-7255 No Types Assigned https://github.com/mwrlabs/CVE-2016-7255 Third Party Advisory
    Changed Reference Type https://securingtomorrow.mcafee.com/mcafee-labs/digging-windows-kernel-privilege-escalation-vulnerability-cve-2016-7255/ No Types Assigned https://securingtomorrow.mcafee.com/mcafee-labs/digging-windows-kernel-privilege-escalation-vulnerability-cve-2016-7255/ Broken Link
    Changed Reference Type https://www.exploit-db.com/exploits/40745/ No Types Assigned https://www.exploit-db.com/exploits/40745/ Exploit, Third Party Advisory, VDB Entry
    Changed Reference Type https://www.exploit-db.com/exploits/41015/ No Types Assigned https://www.exploit-db.com/exploits/41015/ Exploit, Third Party Advisory, VDB Entry
    Removed CWE NIST CWE-264
    Added CWE NIST NVD-CWE-noinfo
    Changed CPE Configuration OR *cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_10:1511:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_10:1607:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_7:*:sp1:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_8.1:*:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_rt_8.1:*:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_server_2008:*:sp2:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_vista:*:sp2:*:*:*:*:*:* OR *cpe:2.3:o:microsoft:windows_10_1507:-:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_10_1511:-:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_10_1607:-:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_7:-:sp1:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_8.1:-:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_rt_8.1:-:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_server_2016:-:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_vista:-:sp2:*:*:*:*:*:*
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Oct. 12, 2018

    Action Type Old Value New Value
    Removed Reference http://technet.microsoft.com/security/bulletin/MS16-135 [Patch, Vendor Advisory]
    Added Reference https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-135 [No Types Assigned]
  • CVE Modified by [email protected]

    Sep. 03, 2017

    Action Type Old Value New Value
    Added Reference https://www.exploit-db.com/exploits/40745/ [No Types Assigned]
  • CVE Modified by [email protected]

    Jul. 28, 2017

    Action Type Old Value New Value
    Added Reference http://www.securitytracker.com/id/1037251 [No Types Assigned]
  • CVE Modified by [email protected]

    Mar. 14, 2017

    Action Type Old Value New Value
    Added Reference https://github.com/mwrlabs/CVE-2016-7255 [No Types Assigned]
  • CVE Modified by [email protected]

    Jan. 20, 2017

    Action Type Old Value New Value
    Added Reference https://www.exploit-db.com/exploits/41015/ [No Types Assigned]
    Added Reference http://packetstormsecurity.com/files/140468/Microsoft-Windows-Kernel-win32k.sys-NtSetWindowLongPtr-Privilege-Escalation.html [No Types Assigned]
  • CVE Modified by [email protected]

    Jan. 03, 2017

    Action Type Old Value New Value
    Added Reference https://securingtomorrow.mcafee.com/mcafee-labs/digging-windows-kernel-privilege-escalation-vulnerability-cve-2016-7255/ [No Types Assigned]
    Added Reference http://blog.trendmicro.com/trendlabs-security-intelligence/one-bit-rule-system-analyzing-cve-2016-7255-exploit-wild/ [No Types Assigned]
  • Modified Analysis by [email protected]

    Dec. 23, 2016

    Action Type Old Value New Value
    Changed Reference Type https://security.googleblog.com/2016/10/disclosing-vulnerabilities-to-protect.html No Types Assigned https://security.googleblog.com/2016/10/disclosing-vulnerabilities-to-protect.html Third Party Advisory
    Changed Reference Type https://www.exploit-db.com/exploits/40823/ No Types Assigned https://www.exploit-db.com/exploits/40823/ Third Party Advisory, VDB Entry, Exploit
    Changed Reference Type http://www.securityfocus.com/bid/94064 No Types Assigned http://www.securityfocus.com/bid/94064 Third Party Advisory, VDB Entry
  • CVE Modified by [email protected]

    Dec. 23, 2016

    Action Type Old Value New Value
    Added Reference https://www.exploit-db.com/exploits/40823/ [No Types Assigned]
    Added Reference https://security.googleblog.com/2016/10/disclosing-vulnerabilities-to-protect.html [No Types Assigned]
  • CVE Modified by [email protected]

    Nov. 28, 2016

    Action Type Old Value New Value
    Added Reference http://www.securityfocus.com/bid/94064 [No Types Assigned]
  • CVE Translated by [email protected]

    Nov. 11, 2016

    Action Type Old Value New Value
  • Modified Analysis by [email protected]

    Nov. 10, 2016

    Action Type Old Value New Value
    Added CPE Configuration Configuration 1 OR *cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_rt_8.1:*:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_10:1511:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_10:1607:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_8.1:*:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_7:*:sp1:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_vista:*:sp2:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_server_2008:*:sp2:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:*:*
    Added CVSS V2 (AV:L/AC:L/Au:N/C:C/I:C/A:C)
    Added CVSS V3 AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type http://technet.microsoft.com/security/bulletin/MS16-135 No Types Assigned http://technet.microsoft.com/security/bulletin/MS16-135 Vendor Advisory, Patch
    Added CWE CWE-264
  • Initial Analysis by [email protected]

    Nov. 10, 2016

    Action Type Old Value New Value
    Changed CPE Configuration Configuration 1 OR Configuration 1 OR *cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_rt_8.1:*:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_10:1511:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_10:1607:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_8.1:*:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_7:*:sp1:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_vista:*:sp2:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_server_2008:*:sp2:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:*:*
    Added CVSS V2 (AV:L/AC:L/Au:N/C:C/I:C/A:C)
    Added CVSS V3 AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type http://technet.microsoft.com/security/bulletin/MS16-135 Mitigation, Patch, Vendor Advisory http://technet.microsoft.com/security/bulletin/MS16-135 Patch, Vendor Advisory
    Added CWE CWE-264
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2016-7255 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2016-7255 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

3.13 }} 0.44%

score

0.91358

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
: