CVE-2022-21837

highpriority · track · 36EPSS 0.030 · 87 %ileEURUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

3.02% (87th) EPSS

CVSS 9 · high

Is it mine?

20 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · fstec_bdu · msrc_csaf

EPSS · scored 2026-10-27

Microsoft SharePoint Server Remote Code Execution Vulnerability

remediations

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

A vendor fix is available.

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

cvss

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

9.0

010

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

v2.09highAV:N/AC:L/Au:S/C:C/I:C/A:Cprimary · NVD / NIST USexploitability 8 · impact 10

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

v3.18.3highAV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Lsecondary · FSTEC (BDU) RU

v3.18.3highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L/E:U/RL:O/RC:Csecondary · ENISA EU

v3.18.3highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Lsecondary · secure@microsoft.com USexploitability 2.8 · impact 5.5

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

v3.18.3highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L/E:U/RL:O/RC:Csecondary · Microsoft Security Response Center US

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-94US

affected products (20)

Products and version ranges known to be affected.

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 Corp Microsoft SharePoint Enterprise Server 2016all versionsfstec_bduRU
Microsoft Corp Microsoft SharePoint Foundation≤ 2013 SP1fstec_bduRU
Microsoft Corp Microsoft SharePoint Server 2019all versionsfstec_bduRU
Microsoft Corp Microsoft SharePoint Server Subscription Editionall versionsfstec_bduRU
Microsoft SharePoint Enterprise Server 2016all versionsfixedmsrc_csafUS
Microsoft SharePoint Enterprise Server 2016< 16.0.5266.1000msrc_csafUS
Microsoft SharePoint Foundation 2013 Service Pack 1all versionsfixedmsrc_csafUS
Microsoft SharePoint Foundation 2013 Service Pack 1< 15.0.5415.1000msrc_csafUS
Microsoft SharePoint Server 2019all versionsfixedmsrc_csafUS
Microsoft SharePoint Server 2019< 16.0.10382.20004msrc_csafUS
Microsoft SharePoint Server Subscription Editionall versionsfixedmsrc_csafUS
Microsoft SharePoint Server Subscription Edition< 16.0.14326.20714msrc_csafUS
microsoft sharepoint foundation= 2013nvdUScpe:2.3:a:microsoft:sharepoint_foundation:*:*:*:*:*:*:*:*
microsoft sharepoint serverall versionsnvdUScpe:2.3:a:microsoft:sharepoint_server:*:*:*:*:*:*:*:*
microsoft sharepoint server= 2016nvdUScpe:2.3:a:microsoft:sharepoint_server:*:*:*:*:*:*:*:*
microsoft sharepoint server= 2019nvdUScpe:2.3:a:microsoft:sharepoint_server:*:*:*:*:*:*:*:*

advisories (1)

Vendor and ecosystem advisories describing this.

msrc_CVE-2022-21837Microsoft SharePoint Server 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 (5)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu msrc_csaf nvd NVD CVE.org MITRE

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

references (8)

External citations — patches, advisories, analysis.

scry

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