CVE-2016-7256

Name: CVE-2016-7256
Creator: NVD / NIST
Published: 2016-11-10T07:00:10.537+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10Actively ExploitedEPSS 64.83%

Last modified Jun 17, 2026

CVE-2016-7256 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. 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.". CISA has confirmed active exploitation in the wild. EPSS estimates a 64.83% chance of exploitation in the next 30 days.

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."

Metrics

CVSS 3.1

8.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS Probability

64.83%

99.1th percentile

Probability of exploitation in the next 30 days. Learn more

Exploitation Status

This vulnerability is listed in CISA’s Known Exploited Vulnerabilities catalog, confirming active exploitation in the wild. Federal agencies must remediate by Jun 15, 2022.

Affected Software

Vendor	Product	Versions	Update
Microsoft	Windows 10 1507	All versions	—
Microsoft	Windows 10 1511	All versions	—
Microsoft	Windows 10 1607	All versions	—
Microsoft	Windows 7	All versions	Sp1
Microsoft	Windows 8.1	All versions	—
Microsoft	Windows Rt 8.1	All versions	—
Microsoft	Windows Server 2008	All versions	Sp2
Microsoft	Windows Server 2008	r2	Sp1
Microsoft	Windows Server 2012	All versions	—
Microsoft	Windows Server 2012	r2	—
Microsoft	Windows Server 2016	All versions	—
Microsoft	Windows Vista	All versions	Sp2

References

http://www.securityfocus.com/bid/94156Broken Link, Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1037243Broken Link, Third Party Advisory, VDB Entry
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-132Patch, Vendor Advisory
https://twitter.com/da5ch0/status/820161895269277696Broken Link
http://www.securityfocus.com/bid/94156Broken Link, Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1037243Broken Link, Third Party Advisory, VDB Entry
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-132Patch, Vendor Advisory
https://twitter.com/da5ch0/status/820161895269277696Broken Link
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2016-7256US Government Resource

Timeline

Published: Nov 10, 2016
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2016-7256?

How severe is CVE-2016-7256?

CVE-2016-7256 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 64.83% probability of exploitation in the next 30 days. This vulnerability is listed in CISA's Known Exploited Vulnerabilities catalog.

How do I fix CVE-2016-7256?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2016-7256?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST