CVE-2018-21243
An issue was discovered in Foxit PhantomPDF before 8.3.6. It has COM object mishandling when...
An issue was discovered in Foxit PhantomPDF before 8.3.6. It has COM object mishandling when Microsoft Word is used.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
An issue was discovered in Foxit PhantomPDF before 8.3.6. It has COM object mishandling when Microsoft Word is used.
- Record
CVE-2018-21243- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:N/I:N/A:P - Weakness
- CWE-434
- Updated
- 2026-11-02
CVE List No score
An issue was discovered in Foxit PhantomPDF before 8.3.6. It has COM object mishandling when Microsoft Word is used.
- Record
CVE-2018-21243- Updated
- 2026-11-02
EUVDEUVD-2018-13759 No score
An issue was discovered in Foxit PhantomPDF before 8.3.6. It has COM object mishandling when Microsoft Word is used.
- Record
EUVD-2018-13759- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-jwfx-795x-m7mm No score
An issue was discovered in Foxit PhantomPDF before 8.3.6. It has COM object mishandling when...
An issue was discovered in Foxit PhantomPDF before 8.3.6. It has COM object mishandling when Microsoft Word is used.
- Record
GHSA-jwfx-795x-m7mm- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2018-21243 is a medium vulnerability (CVSS 6.5) in Foxitsoftware Phantompdf, published June 4, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.90%, the 59th percentile. No source names a fixed version.