CVE-2020-0981

HighCVSS 8.8/10Last modified Jun 17, 2026

Description

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'.

Metrics

CVSS 3.1 8.8/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Weakness enumeration

CWE-863

Affected software

VendorProductVersions
MicrosoftWindows 10 Version 1909 for 32-bit Systemsunspecified
MicrosoftWindows 10 Version 1909 for x64-based Systemsunspecified
MicrosoftWindows 10 Version 1909 for ARM64-based Systemsunspecified
MicrosoftWindows Server, version 1909 (Server Core installation)unspecified
MicrosoftWindows 10 Version 1903 for 32-bit Systemsunspecified
MicrosoftWindows 10 Version 1903 for x64-based Systemsunspecified
MicrosoftWindows 10 Version 1903 for ARM64-based Systemsunspecified
MicrosoftWindows Server, version 1903 (Server Core installation)unspecified

References

Timeline

Published
Apr 15, 2020
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2020-0981: High severity, CVSS 8.8 | Vulnix