CVE-2018-0798

highpriority · act · 90OT risk · criticalKEV · exploitedEPSS 0.951 · 100 %ileexploit · PoCEURUUS

grimoire priorityP0 · Act now

Exploitable?

Yes · in the wild

CISA KEV · 1 exploit · PoC

Likely / severe?

95.1% (100th) EPSS

CVSS 9.3 · high

Is it mine?

21 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · fstec_bdu · nvd

added 2021-11-03remediate by 2022-05-03

required action Apply updates per vendor instructions.

EPSS · scored 2026-10-27

Microsoft Office Memory Corruption Vulnerability

Equation Editor in Microsoft Office 2007, Microsoft Office 2010, Microsoft Office 2013, and Microsoft Office 2016 allows a remote code execution vulnerability due to the way objects are handled in memory, aka "Microsoft Office Memory Corruption Vulnerability".

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

v3.18.8highCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 2.8 · impact 5.9

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

v3.18.8highCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:Hsecondary · ENISA EU

v3.18.8highCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:Hsecondaryexploitability 2.8 · impact 5.9

v3.18.8highCVSS:3.1/AV:N/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-787USprimaryCWE-119US

exploits (1)

Public proof-of-concept and weaponised exploit code.

Sunqiz/CVE-2018-0798-reproductionCVE-2018-0798复现PoC · poc_in_github

affected products (21)

Products and version ranges known to be affected.

Microsoft Corporation Equation Editor≤ Microsoft Office 2007, Microsoft Office 2010, Microsoft Office 2013, and Microsoft Office 2016enisa_euvdEU
Microsoft Corp Microsoft Office 2007 Service Pack 3all versionsfstec_bduRU
Microsoft Corp Microsoft Office 2010 Service Pack 2all versionsfstec_bduRU
Microsoft Corp Microsoft Office 2013 Service Pack 1all versionsfstec_bduRU
Microsoft Corp Microsoft Office 2016all versionsfstec_bduRU
Microsoft Corp Microsoft Office 2016 Click-to-Run (C2R)all versionsfstec_bduRU
Microsoft Corp Microsoft Office Compatibility Pack Service Pack 3all 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 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= 2007nvdUScpe:2.3:a:microsoft:office:*:*:*:*:*:*:*:*
microsoft office= 2010nvdUScpe:2.3:a:microsoft:office:*:*:*:*:*:*:*:*
microsoft office= 2013nvdUScpe:2.3:a:microsoft:office:*:*:*:*:*:*:*:*
microsoft office= 2016nvdUScpe:2.3:a:microsoft:office:*:*:*:*:*:*:*:*
microsoft office compatibility packall versionsnvdUScpe:2.3:a:microsoft:office_compatibility_pack:*:*:*:*:*:*:*:*
microsoft word= 2007nvdUScpe:2.3:a:microsoft:word:*:*:*:*:*:*:*:*
microsoft word= 2010nvdUScpe:2.3:a:microsoft:word:*:*:*:*:*:*:*:*
microsoft word= 2013nvdUScpe:2.3:a:microsoft:word:*:*:*:*:*:*:*:*

showing 20 of 21

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 2018-01-10modified 2026-06-17

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+16119 more

references (13)

External citations — patches, advisories, analysis.

scry

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