CVE-2018-8281

highpriority · track · 38EPSS 0.213 · 98 %ileEUUS

grimoire priorityP1 · Urgent

Exploitable?

—

no known exploitation

Likely / severe?

21.3% (98th) EPSS

CVSS 9.3 · high

Is it mine?

11 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · nvd

EPSS · scored 2026-10-27

A remote code execution vulnerability exists in Microsoft Office software when the software fails to properly handle objects in memory, aka "Microsoft Office Remote Code Execution Vulnerability." This affects Microsoft Excel Viewer, Microsoft PowerPoint Viewer, Microsoft Office, Microsoft Office Word Viewer.

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)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-416USLLM-inferred

affected products (11)

Products and version ranges known to be affected.

Microsoft Microsoft Excel Viewer≤ Microsoft Excel Viewerenisa_euvdEU
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 Office≤ 2016 for Macenisa_euvdEU
Microsoft Microsoft Office≤ Compatibility Pack Service Pack 3enisa_euvdEU
Microsoft Microsoft Office Word Viewer≤ Microsoft Office Word Viewerenisa_euvdEU
Microsoft Microsoft PowerPoint Viewer≤ Microsoft PowerPoint Viewerenisa_euvdEU
microsoft office= 2016nvdUScpe:2.3:a:microsoft:office:*:*:*:*:*:*:*:*
microsoft office compatibility packall versionsnvdUScpe:2.3:a:microsoft:office_compatibility_pack:*:*:*:*:*:*:*:*
microsoft office powerpoint viewerall versionsnvdUScpe:2.3:a:microsoft:office_powerpoint_viewer:*:*:*:*:*:*:*:*
microsoft office word viewerall versionsnvdUScpe:2.3:a:microsoft:office_word_viewer:*:*:*:*:*:*:*:*

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd NVD CVE.org MITRE

published 2018-07-11modified 2026-06-17

references (9)

External citations — patches, advisories, analysis.

scry

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