How severe is CVE-2016-7256?

CVE-2016-7256 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2016-7256 being actively exploited?

Yes. CVE-2016-7256 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2022-05-25, which means active exploitation has been confirmed. It should be prioritised for remediation.

What products are affected by CVE-2016-7256?

CVE-2016-7256 primarily affects Microsoft Windows 10 1507. In total, 12 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2016-7256?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Because this CVE is known to be actively exploited, treat remediation as urgent — CISA KEV typically sets a short remediation deadline.

Does CVE-2016-7256 have an EU (EUVD) identifier?

Yes. CVE-2016-7256 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2016-8112. It is also flagged as exploited in the EUVD (since 2022-05-25).

When was CVE-2016-7256 published?

CVE-2016-7256 was published on 2016-11-10 and last updated on 2026-06-17.

CVE-2016-7256

CVE-2016-7256 is a high-severity vulnerability in Microsoft Windows 10 1507 with a CVSS 3.x base score of 8.8. It is listed in CISA's Known Exploited Vulnerabilities (KEV) catalog, confirming it has been exploited in the wild (added 2022-05-25).

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 9.3
EPSS exploit prediction: 65% (99th percentile)
Actively exploited: Yes — listed in CISA KEV (added 2022-05-25)
EU (EUVD) id: EUVD-2016-8112
EU exploitation: Flagged exploited in the ENISA EU Vulnerability Database (since 2022-05-25)
Affected product: Microsoft Windows 10 1507
Published: 2016-11-10
Last modified: 2026-06-17

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."

Frequently asked questions

What is CVE-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 arbitrary code via a crafted web site, aka "Open Type Font Remote Code Execution Vulnerability."
How severe is CVE-2016-7256?: CVE-2016-7256 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2016-7256 being actively exploited?: Yes. CVE-2016-7256 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2022-05-25, which means active exploitation has been confirmed. It should be prioritised for remediation.
What products are affected by CVE-2016-7256?: CVE-2016-7256 primarily affects Microsoft Windows 10 1507. In total, 12 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2016-7256?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Because this CVE is known to be actively exploited, treat remediation as urgent — CISA KEV typically sets a short remediation deadline.
Does CVE-2016-7256 have an EU (EUVD) identifier?: Yes. CVE-2016-7256 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2016-8112. It is also flagged as exploited in the EUVD (since 2022-05-25).
When was CVE-2016-7256 published?: CVE-2016-7256 was published on 2016-11-10 and last updated on 2026-06-17.

References

Affected products (12)

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:*:*:*:*:*:*

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