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HIGH

CVE-2018-4040

CVSS v3

7.8

HIGH

EPSS Score

1.0 %

exploit probability, as of 2026-09-25

CISA KEV

No

known exploited

Exploitation

—

SSVC status

Description

An exploitable uninitialized pointer vulnerability exists in the rich text format parser of Atlantis Word Processor, version 3.2.7.2. A specially crafted document can cause certain RTF tokens to dereference a pointer that has been uninitialized and then write to it. An attacker must convince a victim to open a specially crafted document in order to trigger this vulnerability.

Technical details

Published
2018-12-01

Frequently asked questions

What is CVE-2018-4040?

An exploitable uninitialized pointer vulnerability exists in the rich text format parser of Atlantis Word Processor, version 3.2.7.2. A specially crafted document can cause certain RTF tokens to dereference a pointer that has been uninitialized and then write to it. An attacker must convince a victim to open a specially crafted document in order to trigger this vulnerability.

Is CVE-2018-4040 actively exploited?

Active exploitation of CVE-2018-4040 has not been confirmed. Its EPSS score was 1.0% on 2026-09-25, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2018-4040?

CVE-2018-4040 has a CVSS v3 base score of 7.8 (HIGH severity).

Is CVE-2018-4040 affecting your environment?

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