Known Exploited Vulnerability
8.8
HIGH
CVE-2016-7256
Microsoft Windows Open Type Font Remote Code Execu - [Actively Exploited]
Description

atmfd.dll in the Windows font library 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 allows remote attackers to execute arbitrary code via a crafted web site, aka "Open Type Font Remote Code Execution Vulnerability."

INFO

Published Date :

Nov. 10, 2016, 7 a.m.

Last Modified :

July 2, 2024, 12:58 p.m.

Remotely Exploitable :

Yes !

Impact Score :

5.9

Exploitability Score :

2.8
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 :

A remote code execution vulnerability exists when the Windows font library improperly handles specially crafted embedded fonts. An attacker who successfully exploits this vulnerability could take control of the affected system.

Required Action :

Apply updates per vendor instructions.

Public PoC/Exploit Available at Github

CVE-2016-7256 has a 1 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-2016-7256 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
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-2016-7256.

URL Resource
http://www.securityfocus.com/bid/94156 Broken Link Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1037243 Broken Link Third Party Advisory VDB Entry
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-132 Patch Vendor Advisory
https://twitter.com/da5ch0/status/820161895269277696 Broken Link

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).

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: 2 months, 1 week 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.

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

The following list is the news that have been mention CVE-2016-7256 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2016-7256 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. 02, 2024

    Action Type Old Value New Value
    Removed CVSS V3 NIST AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
    Changed Reference Type http://www.securityfocus.com/bid/94156 No Types Assigned http://www.securityfocus.com/bid/94156 Broken Link, Third Party Advisory, VDB Entry
    Changed Reference Type http://www.securitytracker.com/id/1037243 No Types Assigned http://www.securitytracker.com/id/1037243 Broken Link, Third Party Advisory, VDB Entry
    Changed Reference Type https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-132 No Types Assigned https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-132 Patch, Vendor Advisory
    Changed Reference Type https://twitter.com/da5ch0/status/820161895269277696 No Types Assigned https://twitter.com/da5ch0/status/820161895269277696 Broken Link
    Removed CWE NIST CWE-284
    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/MS16-132 [Patch, Vendor Advisory]
    Added Reference https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-132 [No Types Assigned]
  • CVE Modified by [email protected]

    Jul. 28, 2017

    Action Type Old Value New Value
    Added Reference http://www.securitytracker.com/id/1037243 [No Types Assigned]
  • CVE Modified by [email protected]

    Jan. 18, 2017

    Action Type Old Value New Value
    Added Reference https://twitter.com/da5ch0/status/820161895269277696 [No Types Assigned]
  • CVE Modified by [email protected]

    Nov. 28, 2016

    Action Type Old Value New Value
    Added Reference http://www.securityfocus.com/bid/94156 [No Types Assigned]
  • Modified Analysis by [email protected]

    Nov. 14, 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_10:-:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_10:1511:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_10:1607:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_rt_8.1:*:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_8.1:*:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_7:*:sp1:*:*:*:*:*:* *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_vista:*:sp2:*:*:*:*:*:*
    Added CVSS V2 (AV:N/AC:M/Au:N/C:C/I:C/A:C)
    Added CVSS V3 AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
    Changed Reference Type http://technet.microsoft.com/security/bulletin/MS16-132 No Types Assigned http://technet.microsoft.com/security/bulletin/MS16-132 Vendor Advisory, Patch
    Added CWE CWE-284
  • Initial Analysis by [email protected]

    Nov. 14, 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_10:-:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_10:1511:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_10:1607:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_rt_8.1:*:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_8.1:*:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_7:*:sp1:*:*:*:*:*:* *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_vista:*:sp2:*:*:*:*:*:*
    Added CVSS V2 (AV:N/AC:M/Au:N/C:C/I:C/A:C)
    Added CVSS V3 AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type http://technet.microsoft.com/security/bulletin/MS16-132 Mitigation, Patch, Vendor Advisory http://technet.microsoft.com/security/bulletin/MS16-132 Patch, Vendor Advisory
    Added CWE CWE-284
  • CVE Translated by [email protected]

    Nov. 11, 2016

    Action Type Old Value New Value
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-2016-7256 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-2016-7256 weaknesses.

Exploit Prediction

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

83.75 }} 38.99%

score

0.98492

percentile

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