CVE-2018-8430
A remote code execution vulnerability exists in Microsoft Word if a user opens a specially...
A remote code execution vulnerability exists in Microsoft Word if a user opens a specially crafted PDF file, aka "Word PDF Remote Code Execution Vulnerability." This affects Microsoft Word, Microsoft Office.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
A remote code execution vulnerability exists in Microsoft Word if a user opens a specially crafted PDF file, aka "Word PDF Remote Code Execution Vulnerability." This affects Microsoft Word, Microsoft Office.
- Record
CVE-2018-8430- CVSS 3.0
- 7.8 High
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - CVSS 2.0
- 9.3 High
AV:N/AC:M/Au:N/C:C/I:C/A:C - Updated
- 2026-11-02
CVE List No score
A remote code execution vulnerability exists in Microsoft Word if a user opens a specially crafted PDF file, aka "Word PDF Remote Code Execution Vulnerability." This affects Microsoft Word, Microsoft Office.
- Record
CVE-2018-8430- Updated
- 2026-11-02
EUVDEUVD-2018-20066 No score
A remote code execution vulnerability exists in Microsoft Word if a user opens a specially crafted PDF file, aka "Word PDF Remote Code Execution Vulnerability." This affects Microsoft Word, Microsoft Office.
- Record
EUVD-2018-20066- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-m3gg-4w4j-562v
A remote code execution vulnerability exists in Microsoft Word if a user opens a specially...
A remote code execution vulnerability exists in Microsoft Word if a user opens a specially crafted PDF file, aka "Word PDF Remote Code Execution Vulnerability." This affects Microsoft Word, Microsoft Office.
- Record
GHSA-m3gg-4w4j-562v- CVSS 3.0
- 7.8 High
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - 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-2018-8430 is a high vulnerability (CVSS 7.8) in Microsoft Office, published September 13, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 23.0%, the 97th percentile. No source names a fixed version.