Buffer overflow in Microsoft products - CVE-2020-1461
Published: July 14, 2020 / Updated: July 15, 2020
Vulnerability identifier: #VU29792
CSH Severity: Low
CVSS v4.0: 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:P/U:Clear
CVE-ID: CVE-2020-1461
CWE-ID: CWE-119
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Microsoft
Affected software:
Microsoft Forefront Endpoint Protection
Microsoft Security Essentials
Windows Defender
Microsoft Forefront Endpoint Protection
Microsoft Security Essentials
Windows Defender
Detailed vulnerability description
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a boundary error when the MpSigStub. A local user can use a specially crafted application to 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-2020-1461
Install update from vendor's website.