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 - 10 2004, 7, 8.1 - 8.1 RT

Windows Server: 2008 - 2019 2004

---

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

---

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.