Buffer overflow in Windows and Windows Server - CVE-2020-1398
Published: July 14, 2020 / Updated: July 15, 2020
Vulnerability identifier: #VU29804
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Clear
CVE-ID: CVE-2020-1398
CWE-ID: CWE-119
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Microsoft
Affected software:
Windows
Windows Server
Windows
Windows Server
Detailed vulnerability 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.
How to mitigate CVE-2020-1398
Install update from vendor's website.