CVE-2022-21840

mediumpriority · track · 36EPSS 0.031 · 88 %ileEURUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

3.10% (88th) EPSS

CVSS 6.8 · medium

Is it mine?

97 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · fstec_bdu · msrc_csaf

EPSS · scored 2026-10-27

Microsoft Office Remote Code Execution Vulnerability

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

A vendor fix is available.

FixedMicrosoft 365 Apps for Enterprise for 32-bit Systemsmsrc_csaf
https://aka.ms/OfficeSecurityReleases:Security Update:https://docs.microsoft.com/en-us/officeupdates/microsoft365-apps-security-updates
https://docs.microsoft.com/en-us/officeupdates/microsoft365-apps-security-updates
FixedMicrosoft 365 Apps for Enterprise for 64-bit Systemsmsrc_csaf
https://aka.ms/OfficeSecurityReleases:Security Update:https://docs.microsoft.com/en-us/officeupdates/microsoft365-apps-security-updates
https://docs.microsoft.com/en-us/officeupdates/microsoft365-apps-security-updates
FixedMicrosoft Excel 2013 RT Service Pack 1msrc_csaf
15.0.5415.1000:Security Update:https://support.microsoft.com/help/5002128
https://support.microsoft.com/help/5002128
FixedMicrosoft Excel 2013 Service Pack 1 (32-bit editions)msrc_csaf
15.0.5415.1000:Security Update:https://support.microsoft.com/help/5002128
https://support.microsoft.com/help/5002128
FixedMicrosoft Excel 2013 Service Pack 1 (64-bit editions)msrc_csaf
15.0.5415.1000:Security Update:https://support.microsoft.com/help/5002128
https://support.microsoft.com/help/5002128
FixedMicrosoft Excel 2016 (32-bit edition)msrc_csaf
16.0.5266.1000:Security Update:https://support.microsoft.com/help/5002114
https://support.microsoft.com/help/5002114
FixedMicrosoft Excel 2016 (64-bit edition)msrc_csaf
16.0.5266.1000:Security Update:https://support.microsoft.com/help/5002114
https://support.microsoft.com/help/5002114
FixedMicrosoft Office 2013 RT Service Pack 1msrc_csaf
15.0.5415.1000:Security Update:https://support.microsoft.com/help/4462205
https://support.microsoft.com/help/4462205
FixedMicrosoft Office 2013 Service Pack 1 (32-bit editions)msrc_csaf
15.0.5415.1000:Security Update:https://support.microsoft.com/help/4462205
https://support.microsoft.com/help/4462205
FixedMicrosoft Office 2013 Service Pack 1 (64-bit editions)msrc_csaf
15.0.5415.1000:Security Update:https://support.microsoft.com/help/4462205
https://support.microsoft.com/help/4462205
FixedMicrosoft Office 2016 (32-bit edition)msrc_csaf
16.0.5266.1000:Security Update:https://support.microsoft.com/help/5002052
https://support.microsoft.com/help/5002052
FixedMicrosoft Office 2016 (64-bit edition)msrc_csaf
16.0.5266.1000:Security Update:https://support.microsoft.com/help/5002052
https://support.microsoft.com/help/5002052
FixedMicrosoft Office 2019 for 32-bit editionsmsrc_csaf
https://aka.ms/OfficeSecurityReleases:Security Update:https://docs.microsoft.com/en-us/officeupdates/microsoft365-apps-security-updates
https://docs.microsoft.com/en-us/officeupdates/microsoft365-apps-security-updates
FixedMicrosoft Office 2019 for 64-bit editionsmsrc_csaf
https://aka.ms/OfficeSecurityReleases:Security Update:https://docs.microsoft.com/en-us/officeupdates/microsoft365-apps-security-updates
https://docs.microsoft.com/en-us/officeupdates/microsoft365-apps-security-updates
FixedMicrosoft Office 2019 for Macmsrc_csaf
16.57.22011101:Security Update:https://go.microsoft.com/fwlink/p/?linkid=831049
https://go.microsoft.com/fwlink/p/?linkid=831049
FixedMicrosoft Office LTSC 2021 for 32-bit editionsmsrc_csaf
https://aka.ms/OfficeSecurityReleases:Security Update:https://docs.microsoft.com/en-us/officeupdates/microsoft365-apps-security-updates
https://docs.microsoft.com/en-us/officeupdates/microsoft365-apps-security-updates
FixedMicrosoft Office LTSC 2021 for 64-bit editionsmsrc_csaf
https://aka.ms/OfficeSecurityReleases:Security Update:https://docs.microsoft.com/en-us/officeupdates/microsoft365-apps-security-updates
https://docs.microsoft.com/en-us/officeupdates/microsoft365-apps-security-updates
FixedMicrosoft Office LTSC for Mac 2021msrc_csaf
16.57.22011101:Security Update:https://go.microsoft.com/fwlink/p/?linkid=831049
https://go.microsoft.com/fwlink/p/?linkid=831049
FixedMicrosoft Office Online Servermsrc_csaf
16.0.10382.20004:Security Update:https://support.microsoft.com/kb/5002107
https://support.microsoft.com/kb/5002107
FixedMicrosoft Office Web Apps Server 2013 Service Pack 1msrc_csaf
15.0.5415.1000:Security Update:https://support.microsoft.com/kb/5002122
https://support.microsoft.com/kb/5002122
FixedMicrosoft SharePoint Enterprise Server 2013 Service Pack 1msrc_csaf
15.0.5415.1000:Security Update:https://support.microsoft.com/help/5001995
https://support.microsoft.com/help/5001995
FixedMicrosoft SharePoint Enterprise Server 2016msrc_csaf
16.0.5266.1000:Security Update:https://support.microsoft.com/help/5002113
https://support.microsoft.com/help/5002113
FixedMicrosoft SharePoint Foundation 2013 Service Pack 1msrc_csaf
15.0.5415.1000:Security Update:https://support.microsoft.com/help/5002127
https://support.microsoft.com/help/5002127
FixedMicrosoft SharePoint Server 2019msrc_csaf
16.0.10382.20004:Security Update:https://support.microsoft.com/help/5002109
https://support.microsoft.com/help/5002109
FixedMicrosoft SharePoint Server Subscription Editionmsrc_csaf
16.0.14326.20714:Security Update:https://support.microsoft.com/help/5002111
https://support.microsoft.com/help/5002111
FixedSharePoint Server Subscription Edition Language Packmsrc_csaf
16.0.14326.20714:Security Update:https://support.microsoft.com/help/5002110
https://support.microsoft.com/help/5002110

cvss

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

8.8

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.8–8.8

v2.06.8mediumAV:N/AC:M/Au:N/C:P/I:P/A:Pprimary · NVD / NIST USexploitability 8.6 · impact 6.4

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:H/E:U/RL:O/RC:Csecondary · ENISA EU

v3.18.8highCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:Hsecondary · secure@microsoft.com USexploitability 2.8 · impact 5.9

v3.18.1highCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

v3.18.8highCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:Csecondary · Microsoft Security Response Center US

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-94US

affected products (97)

Products and version ranges known to be affected.

Microsoft Microsoft 365 Apps for Enterprise16.0.1 → https://aka.ms/OfficeSecurityReleasesenisa_euvdEU
Microsoft Microsoft Excel 2013 Service Pack 115.0.0.0 → 15.0.5415.1000enisa_euvdEU
Microsoft Microsoft Excel 201616.0.0.0 → 16.0.5266.1000enisa_euvdEU
Microsoft Microsoft Office 2013 Service Pack 115.0.0 → 15.0.5415.1000enisa_euvdEU
Microsoft Microsoft Office 201616.0.0 → 16.0.5266.1000enisa_euvdEU
Microsoft Microsoft Office 201919.0.0 → https://aka.ms/OfficeSecurityReleasesenisa_euvdEU
Microsoft Microsoft Office 2019 for Mac16.0.0 → 16.57.22011101enisa_euvdEU
Microsoft Microsoft Office LTSC 202116.0.1 → https://aka.ms/OfficeSecurityReleasesenisa_euvdEU
Microsoft Microsoft Office LTSC for Mac 202116.0.1 → 16.57.22011101enisa_euvdEU
Microsoft Microsoft Office Online Server16.0.1 → 16.0.10382.20004enisa_euvdEU
Microsoft Microsoft Office Web Apps Server 2013 Service Pack 115.0.1 → 15.0.5415.1000enisa_euvdEU
Microsoft Microsoft SharePoint Enterprise Server 2013 Service Pack 115.0.0 → 15.0.5415.1000enisa_euvdEU
Microsoft Microsoft SharePoint Enterprise Server 201616.0.0 → 16.0.5266.1000enisa_euvdEU
Microsoft Microsoft SharePoint Foundation 2013 Service Pack 115.0.0 → 15.0.5415.1000enisa_euvdEU
Microsoft Microsoft SharePoint Server 201916.0.0 → 16.0.10382.20004enisa_euvdEU
Microsoft Microsoft SharePoint Server Subscription Edition16.0.0 → 16.0.14326.20714enisa_euvdEU
Microsoft SharePoint Server Subscription Edition Language Pack16.0.0 → 16.0.14326.20714enisa_euvdEU
Microsoft Corp Microsoft 365 Apps for Enterpriseall versionsfstec_bduRU
Microsoft Corp Microsoft Excel 2013 RT Service Pack 1all versionsfstec_bduRU
Microsoft Corp Microsoft Excel 2013 Service Pack 1all versionsfstec_bduRU

showing 20 of 97

advisories (1)

Vendor and ecosystem advisories describing this.

msrc_CVE-2022-21840Microsoft Office Remote Code Execution Vulnerability2022-01-11csaf · msrc_csafUS
To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu msrc_csaf NVD CVE.org MITRE

published 2022-01-11modified 2026-06-17

references (8)

External citations — patches, advisories, analysis.

scry

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