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Findings

CVE-2016-7256

Microsoft Windows Open Type Font Remote Code Execution Vulnerability

Published Nov 10, 2016 · updated Jun 16, 2026 · microsoft windows 10 1507

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."

Timeline

Detection, updates, and resolution for this record.

  1. Nov 10, 2016 · Catalog

    Detected

    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."

  2. May 25, 2022 · CISA KEV

    Known exploited

    Apply updates per vendor instructions.

  3. Jun 15, 2022 · CISA KEV

    Remediation due

    Apply updates per vendor instructions.

  4. Jun 16, 2026 · Catalog

    Updated

    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."

Required action

Apply updates per vendor instructions.

CISA due date Jun 15, 2022

Affected

  • cpe microsoft/windows 10 1507version unspecified
  • cpe microsoft/windows 10 1511version unspecified
  • cpe microsoft/windows 10 1607version unspecified
  • cpe microsoft/windows 7version unspecified
  • cpe microsoft/windows 8.1version unspecified
  • cpe microsoft/windows rt 8.1version unspecified
  • cpe microsoft/windows server 2008version unspecified
  • cpe microsoft/windows server 2008r2
  • vendor Microsoft Windowsversion unspecified

Sources

  • CISA KEVCVE-2016-7256

    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.

    cisa.gov
  • CVE.orgCVE-2016-7256

    Official CVE identifier

    cve.org
  • FIRST EPSSCVE-2016-7256

    30-day exploitation probability 64.6%

    first.org
  • NIST NVDCVE-2016-7256

    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 arbit

    nvd.nist.gov

References