ACTIVELY EXPLOITED

CVE-2015-1671: Microsoft Windows Remote Code Execution Vulnerability

Facts
VendorMicrosoft
ProductWindows
Actively exploitedYes
Added to CISA KEV25 May 2022
CISA federal deadline15 Jun 2022
Weakness (CWE)CWE-19

Required action (CISA's text)

Apply updates per vendor instructions.

Description (NVD)

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

SOURCES

Other Microsoft flaws

Data from NVD, CISA KEV, FIRST EPSS and vendor advisories. Updated 10 Nov 2026.