Vulnerability identifier: #VU45517

Vulnerability risk: High

CVSSv3.1: 7.2 [CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H/E:H/RL:O/RC:C]

CVE-ID: CVE-2020-1464

CWE-ID: CWE-310

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Windows
Operating systems & Components / Operating system
Windows Server
Operating systems & Components / Operating system

Vendor: Microsoft

Description

The vulnerability allows a remote attacker to bypass implemented security restrictions.

The vulnerability exists due to Windows incorrectly validates file signatures. A remote attacker can create a specially crafted file to bypass implemented security restrictions and successfully load a malicious file.

Note: this vulnerability is being actively exploited in the wild.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Windows: 10 1803 10.0.17134.48, 10 1809 10.0.17763.1, 10 1909 10.0.18363.476, 10 1709 10.0.16299.19, 10 1903 10.0.18362.116, 10 2004 10.0.19041.264, 10, 10 1607 10.0.14393.10, 7, 8.1 - 8.1 RT

Windows Server: 2019 10.0.17763.1 - 2019 2004, 2016 10.0.14393.10, 2008, 2008 R2, 2012, 2012 R2

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External links
http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1464

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

Yes. This vulnerability is being exploited in the wild.