High severity8.8NVD Advisory· Published Apr 15, 2020· Updated Jun 17, 2026
CVE-2020-0981
CVE-2020-0981
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'.
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LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
9- Microsoft/Windows 10 Version 1903 for 32-bit Systemsv5Range: unspecified
- Microsoft/Windows 10 Version 1903 for ARM64-based Systemsv5Range: unspecified
- Microsoft/Windows 10 Version 1903 for x64-based Systemsv5Range: unspecified
- Microsoft/Windows 10 Version 1909 for 32-bit Systemsv5Range: unspecified
- Microsoft/Windows 10 Version 1909 for ARM64-based Systemsv5Range: unspecified
- Microsoft/Windows 10 Version 1909 for x64-based Systemsv5Range: unspecified
- Microsoft/Windows Server, version 1903 (Server Core installation)v5Range: unspecified
- Microsoft/Windows Server, version 1909 (Server Core installation)v5Range: unspecified
Patches
Vulnerability mechanics
References
2- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0981nvdPatchVendor Advisory
- packetstormsecurity.com/files/157248/Microsoft-Windows-NtFilterToken-ParentTokenId-Incorrect-Setting-Privilege-Escalation.htmlnvdThird Party AdvisoryVDB Entry
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