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'.
CVSS Details
- CVSS 3.1 Base Score: 8.8
- CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Msft | — | 2020-04 Cumulative Update for Windows Server, version 1903 for x64-based Systems (KB4549951)2020-04 Cumulative Update for Microsoft Windows 10, version 1909 (KB4549951)2020-04 Cumulative Update for Microsoft Windows 10, version 1903 (KB4549951)2020-04 Cumulative Update for Windows Server, version 1909 for x64-based Systems (KB4549951) | Jun 9, 2020 | Apr 14, 2020 |
Prioritise with Active Threat Intelligence
With curated Threat Intelligence, you can see which vulnerabilities truly put you at risk, prioritize what matters most, and act before attackers do.
Explore Intelligence Hub