CVE-2020-0981: Microsoft Windows 10

High severity, CVSS 8.8. EPSS: 1.3% chance of exploitation in the next 30 days.

A security feature bypass vulnerability exists when Windows fails to properly handle token relationships.An attacker who successfully exploited the vulnerability could allow an application with a certain integrity level to execute code at a different integrity level, leading to a sandbox escape.The update addresses the vulnerability by correcting how Windows handles token relationships, aka 'Windows Token Security Feature Bypass Vulnerability'.

Affected products

• Microsoft Windows 10: version 1903 only; version 1909 only
• Microsoft Windows Server 2016: version 1903 only; version 1909 only

Published 2020-04-15. Last modified 2026-06-17.