CVE-2020-1574: Microsoft Windows 10

Medium severity, CVSS 5.5. EPSS: 2.6% chance of exploitation in the next 30 days.

A remote code execution vulnerability exists in the way that Microsoft Windows Codecs Library handles objects in memory. An attacker who successfully exploited the vulnerability could execute arbitrary code. Exploitation of the vulnerability requires that a program process a specially crafted image file. The update addresses the vulnerability by correcting how Microsoft Windows Codecs Library handles objects in memory.

Affected products

• Microsoft Windows 10: version 1909 only; version 2004 only

Published 2020-08-17. Last modified 2026-06-17.