Microsoft Windows Remote Code Execution Vulnerability

Added to KEV
2022-05-25
Federal due date
2022-06-15
Vendor
Microsoft
Product
Windows
EPSS
99.5th percentile (score 0.880, as of 2026-06-08)
NVD CVSS v3.1
Ransomware use
Unknown
Upstream
https://nvd.nist.gov/vuln/detail/CVE-2015-1671

CISA short description

A remote code execution vulnerability exists when components of Windows, .NET Framework, Office, Lync, and Silverlight fail to properly handle TrueType fonts.

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.