CVE-2016-7256: Microsoft Windows Open Type Font Remote Code Execution Vulnerability

CVE-2016-7256 · Severity: critical · CVSS 8.8 · Exploited in the wild · Published 2022-05-25

A remote code execution vulnerability exists in the Windows font library (atmfd.dll) when improperly handling specially crafted embedded Open Type fonts. An attacker could exploit this by hosting a malicious website, potentially gaining full control of the affected system.

Technologies: Microsoft Windows. Vendors: Microsoft.

Quick answers

Is CVE-2016-7256 exploited in the wild?
Yes. CVE-2016-7256 is known to be exploited in the wild, first recorded on 25 May 2022. Treat it as urgent.
How severe is CVE-2016-7256?
Critical severity, with a CVSS score of 8.8, published 25 May 2022.
Which products and versions are affected?
Microsoft Windows Vista SP2; Microsoft Windows Server 2008 SP2, R2 SP1; Microsoft Windows 7 SP1; Microsoft Windows 8.1 Gold; and 4 more.
Is there a fix for CVE-2016-7256?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
How is CVE-2016-7256 attacked?
It is attacked over the network, in an operating system.
Am I affected by CVE-2016-7256?
Check whether you run Microsoft Windows. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Affected products

  • Microsoft Windows Vista SP2
  • Microsoft Windows Server 2008 SP2, R2 SP1
  • Microsoft Windows 7 SP1
  • Microsoft Windows 8.1 Gold
  • Microsoft Windows Server 2012 Gold, R2
  • Microsoft Windows RT 8.1 Gold
  • Microsoft Windows 10 Gold, 1511, 1607
  • Microsoft Windows Server 2016 Gold

Timeline

  • 2016-11-08: advisory: Microsoft Security Bulletin MS16-132 published.
  • 2022-05-25: kev added: Added to CISA Known Exploited Vulnerabilities Catalog.
  • 2022-05-25: disclosed: NVD publication date.

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