Microsoft Windows Open Type Font Remote Code Execution Vulnerability

Added to KEV
2022-05-25
Federal due date
2022-06-15
Vendor
Microsoft
Product
Windows
EPSS
98.1th percentile (score 0.555, as of 2026-06-08)
NVD CVSS v3.1
Ransomware use
Unknown
Upstream
https://nvd.nist.gov/vuln/detail/CVE-2016-7256

CISA short description

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.

Required action

Apply updates per vendor instructions.

EPSS percentile is the FIRST.org exploit-probability ranking as of the date noted above; it moves daily. CVSS reflects NVD's analysis at time of publication.