CVE-2016-7256
High 8.8 Exploited in the wild (KEV)
Confirmed active exploitation — CISA KEV catalog
- Name
- Microsoft Windows Open Type Font Remote Code Execution Vulnerability
- Added to catalog
- Remediation due date (US federal)
- Required action
- Apply updates per vendor instructions.
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 (HIGH)
Score source: NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - EPSS — exploit probability
- 65% (percentile: 99) as of 1 November 2026
Affected products
microsoft: windows 10 1507; microsoft: windows 10 1511; microsoft: windows 10 1607; microsoft: windows 7; microsoft: windows 8.1; microsoft: windows rt 8.1; microsoft: windows server 2008; microsoft: windows server 2012; microsoft: windows server 2016; microsoft: windows vista
References
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-1… PatchVendor Advisory
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-1… PatchVendor Advisory
- http://www.securityfocus.com/bid/94156 Broken LinkThird Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1037243 Broken LinkThird Party AdvisoryVDB Entry
- https://twitter.com/da5ch0/status/820161895269277696 Broken Link
- http://www.securityfocus.com/bid/94156 Broken LinkThird Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1037243 Broken LinkThird Party AdvisoryVDB Entry
- https://twitter.com/da5ch0/status/820161895269277696 Broken Link
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2016… US Government Resource