Security Features in Microsoft Windows Overlay Filter

1) Security Features

EUVDB-ID: #VU48875

Risk: Low

CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2020-17139

CWE-ID: CWE-254 - Security Features

Exploit availability: No

Description

The vulnerability allows a local user to bypass security features.

The vulnerability exists due to undisclosed issue in Windows Overlay Filter. A local user can gain unauthorized access to the application.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Windows: 10 20H2 10.0.19042.572 - 10 2004 10.0.19041.264

Windows Server: 2019 10.0.17763.1 - 2019 2004

CPE2.3

• cpe:2.3:o:microsoft:windows:10_20H2:10.0.19042.572:*:*:*:*:*:*
• cpe:2.3:o:microsoft:windows:10_1809:10.0.17763.1:*:*:*:*:*:*
• cpe:2.3:o:microsoft:windows:10_1903:10.0.18362.116:*:*:*:*:*:*
• cpe:2.3:o:microsoft:windows:10_1909:10.0.18363.476:*:*:*:*:*:*
• cpe:2.3:o:microsoft:windows:10_2004:10.0.19041.264:*:*:*:*:*:*
• cpe:2.3:o:microsoft:windows_server:2019:10.0.17763.1:*:*:*:*:*:*
• cpe:2.3:o:microsoft:windows_server:2019_20H2:*:*:*:*:*:*:*
• cpe:2.3:o:microsoft:windows_server:2019_1903:*:*:*:*:*:*:*
• cpe:2.3:o:microsoft:windows_server:2019_1909:*:*:*:*:*:*:*
• cpe:2.3:o:microsoft:windows_server:2019_2004:*:*:*:*:*:*:*

External links

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-17139

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.