CVE-2018-8430

highpriority · track · 39EPSS 0.230 · 98 %ileEURUUS

grimoire priorityP1 · Urgent

Exploitable?

—

no known exploitation

Likely / severe?

23.0% (98th) EPSS

CVSS 9.3 · high

Is it mine?

14 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · fstec_bdu · nvd

EPSS · scored 2026-10-27

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.

cvss

Technical severity, 0–10. One row per scoring source.

9.3

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.09.3highAV:N/AC:M/Au:N/C:C/I:C/A:Cprimary · NVD / NIST USexploitability 8.6 · impact 10

v3.07.8highCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 1.8 · impact 5.9

v3.07.1highCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

v3.18.8highAV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-119USCWE-20US

affected products (14)

Products and version ranges known to be affected.

Microsoft Microsoft Office≤ 2016 Click-to-Run (C2R) for 32-bit editionsenisa_euvdEU
Microsoft Microsoft Office≤ 2016 Click-to-Run (C2R) for 64-bit editionsenisa_euvdEU
Microsoft Microsoft Word≤ 2016 (64-bit edition)enisa_euvdEU
Microsoft Microsoft Word≤ 2013 Service Pack 1 (64-bit editions)enisa_euvdEU
Microsoft Microsoft Word≤ 2013 RT Service Pack 1enisa_euvdEU
Microsoft Microsoft Word≤ 2016 (32-bit edition)enisa_euvdEU
Microsoft Microsoft Word≤ 2013 Service Pack 1 (32-bit editions)enisa_euvdEU
Microsoft Corp Microsoft Office 2016 Click-to-Run (C2R)all versionsfstec_bduRU
Microsoft Corp Microsoft Word 2013 RT Service Pack 1all versionsfstec_bduRU
Microsoft Corp Microsoft Word 2013 Service Pack 1all versionsfstec_bduRU
Microsoft Corp Microsoft Word 2016all versionsfstec_bduRU
microsoft office= 2013nvdUScpe:2.3:a:microsoft:office:*:*:*:*:*:*:*:*
microsoft office= 2016nvdUScpe:2.3:a:microsoft:office:*:*:*:*:*:*:*:*
microsoft word= 2016nvdUScpe:2.3:a:microsoft:word:*:*:*:*:*:*:*:*

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu nvd NVD CVE.org MITRE

published 2018-09-13modified 2026-06-17

references (10)

External citations — patches, advisories, analysis.

scry

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