Back
CVE-2018-8430
A remote code execution vulnerability exists in Microsoft Word if a user opens a specially crafted PDF file, aka "Word PDF Remote Code…
- 7.8HighCVSS base score
- 23.0%Exploitation in 30 daysEPSS · top 2.2% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
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.
Timeline
ID reserved
By microsoft
- 6 months later
· 6 months later
Published
- 6 years later
· 6 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.0 | High7.8 | CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 23.0% · top 2.2% of all CVEs (9 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.8.
Affected products
- affected 2013 RT Service Pack 1
- affected 2013 Service Pack 1 (32-bit editions)
- affected 2013 Service Pack 1 (64-bit editions)
- affected 2016 (32-bit edition)
- affected 2016 (64-bit edition)
- affected 2016 Click-to-Run (C2R) for 32-bit editions
- affected 2016 Click-to-Run (C2R) for 64-bit editions
References
3
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8430 (opens in a new tab)x_refsource_CONFIRMx_transferred
- 105212 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- 1041638 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2018-20066 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2018-8430)Record last updated .