CVE-2016-7256
Microsoft Windows Open Type Font Remote Code Execution Vulnerability
Does this matter?
Known to be exploited in the wild (CISA KEV, CISA remediation deadline 15 June 2022). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.
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
- 8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 64.59% probability · 99th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Listed 25 May 2022 · due 15 June 2022
- Affected
- 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
- Source
- secure@microsoft.com
EPSS 64.6% since 27 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
CISA notes
Apply updates per vendor instructions. https://nvd.nist.gov/vuln/detail/CVE-2016-7256
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
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.