CVE-2020-3845: 
macOS vulnerability analysis and mitigation

CVE-2020-3845 is a memory corruption vulnerability discovered in the Intel Graphics Driver component of Apple's macOS operating system. The vulnerability was disclosed and patched in January 2020 as part of macOS Catalina 10.15.3 update. The issue affected macOS Mojave 10.14.6 and macOS Catalina 10.15.2 operating systems (Apple Support).

The vulnerability stems from a memory corruption issue in the Intel Graphics Driver component. Apple addressed this security flaw by implementing improved memory handling mechanisms. The vulnerability could allow an application to execute arbitrary code with system privileges, indicating a high severity issue (Apple Support).

If successfully exploited, this vulnerability would allow a malicious application to execute arbitrary code with system privileges. This level of access could potentially give an attacker complete control over the affected system, allowing them to install programs, view, change, or delete data, or create new accounts with full user rights (Apple Support).

Apple addressed this vulnerability in macOS Catalina 10.15.3 and Security Update 2020-001 for macOS Mojave. Users are advised to update their systems to these versions or later to protect against this vulnerability (Apple Support).