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Exploit:PDF/CVE-2018-4990
Aliases: No associated aliases
Summary
This exploit takes advantage of a vulnerability in Acrobat Reader. It has been found in a malicious PDF that exploits a second vulnerability, CVE-2018-8120.
Both exploits were designed to work on older OS versions. Windows 10 is not affected by this threat.
Security updates are available for both vulnerabilities. Update your Adobe software and Windows 7 and Windows Server systems:
Scanning with Microsoft Defender Antivirus or other Microsoft antimalware automatically removes threats as they are detected. However, many infections can leave remnant files and system changes. Updating your antimalware definitions and running a full scan might help address these remnant artifacts.
You can also visit our advanced troubleshooting page or search the Microsoft virus and malware community for more help.
Secure configuration
To get the best and fastest protection from Microsoft Defender Antivirus, ensure it can connect to the cloud protection service.
Use the Windows search box to find and open the Windows Defender Security Center. Navigate to Virus & threat protection settings and enable the following:
- Cloud-delivered protection
- Automatic sample submission
Install security updates
To prevent threats from exploiting vulnerabilities, always keep software updated.
Prevent malware infection
Refer to our guide on how to prevent malware infection.
