CVE-2018-3998: Atlantiswordprocessor Atlantis Word Processor

High severity, CVSS 7.8. EPSS: 1% chance of exploitation in the next 30 days.

An exploitable heap-based buffer overflow vulnerability exists in the Windows enhanced metafile parser of Atlantis Word Processor, version 3.2.5.0. A specially crafted image embedded within a document can cause an undersized allocation, resulting in an overflow when the application tries to copy data into it. An attacker must convince a victim to open a document in order to trigger this vulnerability.

Affected products

• Atlantiswordprocessor Atlantis Word Processor: version 3.2.5.0 only

Published 2018-10-01. Last modified 2026-06-17.