CVE-2023-28288

highpriority · track · 12EPSS 0.062 · 94 %ileexploit · PoCEURUUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

1 exploit · PoC

Likely / severe?

6.23% (94th) EPSS

CVSS 8.1 · high

Is it mine?

25 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · fstec_bdu · msrc_csaf

EPSS · scored 2026-10-27

Microsoft SharePoint Server Spoofing Vulnerability

remediations

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

A vendor fix is available.

FixedMicrosoft SharePoint Enterprise Server 2013 Service Pack 1msrc_csaf
15.0.5545.1000:Cumulative Update:https://support.microsoft.com/help/5002381
https://support.microsoft.com/help/5002381
FixedMicrosoft SharePoint Enterprise Server 2016msrc_csaf
16.0.5391.1000:Security Update:https://support.microsoft.com/help/5002385
https://support.microsoft.com/help/5002385
FixedMicrosoft SharePoint Foundation 2013 Service Pack 1msrc_csaf
15.0.5545.1000:Security Update:https://support.microsoft.com/help/5002383
https://support.microsoft.com/help/5002383
FixedMicrosoft SharePoint Server 2019msrc_csaf
16.0.10397.20002:Security Update:https://support.microsoft.com/help/5002373
https://support.microsoft.com/help/5002373
FixedMicrosoft SharePoint Server Subscription Editionmsrc_csaf
16.0.16130.20314:Security Update:https://support.microsoft.com/help/5002375
https://support.microsoft.com/help/5002375

cvss

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

8.1

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.5–8.1

v3.18.1highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Nsecondary · NVD / NIST USexploitability 2.8 · impact 5.2

v3.16.5mediumAV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:Nsecondary · FSTEC (BDU) RU

v3.18.1highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N/E:U/RL:O/RC:Csecondary · ENISA EU

v3.18.1highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Nsecondary · secure@microsoft.com USexploitability 2.8 · impact 5.2

v3.18.1highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N/E:U/RL:O/RC:Csecondary · Microsoft Security Response Center US

ssvc

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

Exploitation: none · Automatable: no · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-918USCWE-918USCWE-918US

exploits (1)

Public proof-of-concept and weaponised exploit code.

EDB-51543Microsoft SharePoint Enterprise Server 2016 - SpoofingPoC · exploit_db

affected products (25)

Products and version ranges known to be affected.

Microsoft Microsoft SharePoint Enterprise Server 2013 Service Pack 115.0.0 → 15.0.5545.1000enisa_euvdEU
Microsoft Microsoft SharePoint Enterprise Server 201616.0.0 → 16.0.5391.1000enisa_euvdEU
Microsoft Microsoft SharePoint Foundation 2013 Service Pack 115.0.0 → 15.0.5545.1000enisa_euvdEU
Microsoft Microsoft SharePoint Server 201916.0.0 → 16.0.10397.20002enisa_euvdEU
Microsoft Microsoft SharePoint Server Subscription Edition16.0.0 → 16.0.16130.20314enisa_euvdEU
Microsoft Corp Microsoft SharePoint Enterprise Server≤ 2013 SP1fstec_bduRU
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 2013 Service Pack 1all versionsfixedmsrc_csafUS
Microsoft SharePoint Enterprise Server 2013 Service Pack 1< 15.0.5545.1000msrc_csafUS
Microsoft SharePoint Enterprise Server 2016all versionsfixedmsrc_csafUS
Microsoft SharePoint Enterprise Server 2016< 16.0.5391.1000msrc_csafUS
Microsoft SharePoint Foundation 2013 Service Pack 1all versionsfixedmsrc_csafUS
Microsoft SharePoint Foundation 2013 Service Pack 1< 15.0.5545.1000msrc_csafUS
Microsoft SharePoint Server 2019all versionsfixedmsrc_csafUS
Microsoft SharePoint Server 2019< 16.0.10397.20002msrc_csafUS
Microsoft SharePoint Server Subscription Editionall versionsfixedmsrc_csafUS
Microsoft SharePoint Server Subscription Edition< 16.0.16130.20314msrc_csafUS

showing 20 of 25

advisories (1)

Vendor and ecosystem advisories describing this.

msrc_CVE-2023-28288Microsoft SharePoint Server Spoofing Vulnerability2023-04-11csaf · 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 2023-04-11modified 2026-06-17

references (7)

External citations — patches, advisories, analysis.

scry

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