Microsoft: >> Malware Protection Engine >> 1.1.20200.4 Security Vulnerabilities
Integer overflow or wraparound in Microsoft Defender allows an unauthorized attacker to execute code locally.
CVSS Score
7.8
EPSS Score
0.004
Published
2026-07-14
Integer underflow (wrap or wraparound) in Microsoft Defender allows an unauthorized attacker to execute code locally.
CVSS Score
7.8
EPSS Score
0.004
Published
2026-07-14
Microsoft Defender Elevation of Privilege Vulnerability
CVSS Score
6.3
EPSS Score
0.003
Published
2023-07-11
Integer overflow in the Microsoft Malware Protection Engine (mpengine.dll), as used by Windows Live OneCare, Antigen, Defender, and Forefront Security, allows user-assisted remote attackers to execute arbitrary code via a crafted PDF file.
CVSS Score
9.3
EPSS Score
0.301
Published
2007-02-13