CVE-2017-11826

highpriority · act · 90OT risk · criticalKEV · exploitedEPSS 0.813 · 100 %ileexploit · PoCEURUUS

grimoire priorityP0 · Act now

Exploitable?

Yes · in the wild

CISA KEV · 1 exploit · PoC

Likely / severe?

81.3% (100th) EPSS

CVSS 9.3 · high

Is it mine?

25 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · fstec_bdu · nvd

added 2022-03-03remediate by 2022-03-24

required action Apply updates per vendor instructions.

EPSS · scored 2026-10-27

Microsoft Office Remote Code Execution Vulnerability

Microsoft Office 2010, SharePoint Enterprise Server 2010, SharePoint Server 2010, Web Applications, Office Web Apps Server 2010 and 2013, Word Viewer, Word 2007, 2010, 2013 and 2016, Word Automation Services, and Office Online Server allow remote code execution when the software fails to properly handle objects in memory.

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⚠ sources disagree · high–critical · 7.8–9.3

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

v3.17.8highCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 1.8 · impact 5.9

v2.09.3criticalAV:N/AC:M/Au:N/C:C/I:C/A:Csecondary · FSTEC (BDU) RU

v3.17.8highCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:Hsecondary · ENISA EU

v3.17.8highCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:Hsecondaryexploitability 1.8 · impact 5.9

v3.17.8highCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:Hsecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: active · Automatable: no · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-119USprimaryCWE-119US

exploits (1)

Public proof-of-concept and weaponised exploit code.

thatskriptkid/CVE-2017-11826Exploit for CVE-2017-11826PoC · poc_in_github

affected products (25)

Products and version ranges known to be affected.

Microsoft Corporation Microsoft Office≤ Microsoft Office 2010, SharePoint Enterprise Server 2010, SharePoint Server 2010, Web Applications, Office Web Apps Server 2010 and 2013, Word Viewer, Word 2007, 2010, 2013 and 2016, Word Automation Services, Office Online Server.enisa_euvdEU
Microsoft Corp Microsoft Office Compatibility Pack Service Pack 3all versionsfstec_bduRU
Microsoft Corp Microsoft Office Web Apps Server 2010 Service Pack 2all versionsfstec_bduRU
Microsoft Corp Microsoft Office Web Apps Server 2013 Service Pack 1all versionsfstec_bduRU
Microsoft Corp Microsoft Office Word Viewerall versionsfstec_bduRU
Microsoft Corp Microsoft SharePoint Enterprise Server 2016all versionsfstec_bduRU
Microsoft Corp Microsoft Word 2007 Service Pack 3all versionsfstec_bduRU
Microsoft Corp Microsoft Word 2010 Service Pack 2all versionsfstec_bduRU
Microsoft Corp Microsoft Word 2013all 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 Automation Servicesall versionsfstec_bduRU
Microsoft Corp Office Online Serverall versionsfstec_bduRU
microsoft office compatibility packall versionsnvdUScpe:2.3:a:microsoft:office_compatibility_pack:*:*:*:*:*:*:*:*
microsoft office online server= 2016nvdUScpe:2.3:a:microsoft:office_online_server:*:*:*:*:*:*:*:*
microsoft office web apps server= 2010nvdUScpe:2.3:a:microsoft:office_web_apps_server:*:*:*:*:*:*:*:*
microsoft office web apps server= 2013nvdUScpe:2.3:a:microsoft:office_web_apps_server:*:*:*:*:*:*:*:*
microsoft office word viewerall versionsnvdUScpe:2.3:a:microsoft:office_word_viewer:*:*:*:*:*:*:*:*
microsoft sharepoint enterprise server= 2016nvdUScpe:2.3:a:microsoft:sharepoint_enterprise_server:*:*:*:*:*:*:*:*
microsoft sharepoint server= 2010nvdUScpe:2.3:a:microsoft:sharepoint_server:*:*:*:*:*:*:*:*

showing 20 of 25

also known as (6)

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 2017-10-13modified 2026-06-17

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+21023 more

references (16)

External citations — patches, advisories, analysis.

scry

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