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CVE-2016-7256

Microsoft Windows Open Type Font Remote Code Execution

8.8 HIGHActively exploited (CISA KEV)EPSS 64.6%
  1. Published10 Nov 2016
  2. Added to CISA KEV25 May 2022
  3. Remediation due15 Jun 2022
Actively exploited (CISA KEV)

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.

Added to KEV: 25 May 2022Federal remediation due: 15 Jun 2022

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."

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionRequired
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected products

Microsoft Windows 10 1507all versions
Microsoft Windows 10 1511all versions
Microsoft Windows 10 1607all versions
Microsoft Windows 7all versions
Microsoft Windows 8.1all versions
Microsoft Windows Rt 8.1all versions
Microsoft Windows Server 2008r2
Microsoft Windows Server 2012r2
Microsoft Windows Server 2016all versions
Microsoft Windows Vistaall versions

Remediation

No fixed version is recorded in the NVD data. Check the vendor advisory for the latest guidance.

References

Frequently asked

Is CVE-2016-7256 being actively exploited?

Yes. CVE-2016-7256 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added 25 May 2022.

How severe is CVE-2016-7256?

CVE-2016-7256 has a CVSS 3.1 base score of 8.8, rated high. EPSS estimates a 64.6% probability of exploitation.

Which products are affected by CVE-2016-7256?

Affected products include Microsoft Windows 10 1507, Microsoft Windows 10 1511, Microsoft Windows 10 1607, Microsoft Windows 7, Microsoft Windows 8.1, and 5 more.

How do I fix CVE-2016-7256?

Apply the vendor's patch or advisory guidance, then verify no affected versions remain across your devices.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2016-7256 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. Because it is on the CISA KEV list, Secuno flags any affected asset as top-priority automatically. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.