Input validation error in Microsoft products - CVE-2019-1255
Published: September 23, 2019
Vulnerability identifier: #VU21290
CSH Severity: Low
CVSS v4: 1 [CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:A/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2019-1255
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of files within the Microsoft Malware Protection Engine in Microsoft Defender. A remote attacker can create a specially crafted file, trick the victim into executing it and prevent legitimate accounts from executing legitimate system binaries.
Affected software
Microsoft Security Essentials
Windows Defender
Microsoft Forefront Endpoint Protection
Windows Defender
Microsoft Forefront Endpoint Protection
How to mitigate CVE-2019-1255
Install updates from vendor's website.
This vulnerability was addressed in Microsoft Malware Protection Engine 1.1.16400.2.