CVE-2020-1241: Windows Kernel Security Feature Bypass Vulnerability

Overview

Severity

Medium (CVSS 5.3)

CVSS Vector

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C

Category

Security Feature Bypass

Exploit Status

Not Exploited

Exploitation Likelihood

More Likely

Patch Tuesday

2020-Jun

Released

2020-06-09

EPSS Score

6.98% (percentile: 91.5%)

Description

A security feature bypass vulnerability exists when Windows Kernel fails to properly sanitize certain parameters. To exploit the vulnerability, a locally-authenticated attacker could attempt to run a specially crafted application on a targeted system. The update addresses the vulnerability by correcting how Windows Kernel handles parameter sanitization.

Affected Products (22)

Windows

• Windows 10 Version 1803 for 32-bit Systems
• Windows 10 Version 1803 for x64-based Systems
• Windows Server, version 1803 (Server Core Installation)
• Windows 10 Version 1809 for 32-bit Systems
• Windows 10 Version 1809 for x64-based Systems
• Windows Server 2019
• Windows Server 2019 (Server Core installation)
• Windows 10 Version 1909 for 32-bit Systems
• Windows 10 Version 1909 for x64-based Systems
• Windows Server, version 1909 (Server Core installation)
• Windows 10 Version 1709 for 32-bit Systems
• Windows 10 Version 1709 for x64-based Systems
• Windows 10 Version 1903 for 32-bit Systems
• Windows 10 Version 1903 for x64-based Systems
• Windows Server, version 1903 (Server Core installation)
• Windows 10 Version 1607 for 32-bit Systems
• Windows 10 Version 1607 for x64-based Systems
• Windows Server 2016
• Windows Server 2016 (Server Core installation)
• Windows Server, version 2004 (Server Core installation)
• Windows 10 Version 2004 for 32-bit Systems
• Windows 10 Version 2004 for x64-based Systems

Security Updates (6)

• 4561621
• 4561608
• 4560960
• 4561602
• 4561616
• 4557957

Acknowledgments

<a href="https://twitter.com/waleedassar">Walied Assar</a>

Revision History

• 2020-06-09: Information published.