Vulnerability identifier: #VU29804
Vulnerability risk: Low
CVSSv3.1: 6.1 [CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-119
Exploitation vector: Local
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 local attacker to escalate privileges on the system.
The vulnerability exists due to a boundary error when Windows Lockscreen fails to properly handle Ease of Access dialog. An attacker with physical access can trigger memory corruption and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Mitigation
Install update from vendor's website.
Vulnerable software versions
Windows: 10 - 10 2004
Windows Server: 2016 - 2019 2004
External links
http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1398
Can this vulnerability be exploited remotely?
No. The attacker should have physical access to the system in order to successfully exploit this vulnerability.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.