CVE-2023-33130

highpriority · track · 0EPSS 0.012 · 67 %ileDEEURUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

1.18% (67th) EPSS

CVSS 7.3 · high

Is it mine?

26 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · fstec_bdu · cert_bund

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 Server 2019msrc_csaf
16.0.10399.20005:Security Update:https://support.microsoft.com/help/5002402
https://support.microsoft.com/help/5002402
FixedMicrosoft SharePoint Server Subscription Editionmsrc_csaf
16.0.16130.20548:Security Update:https://support.microsoft.com/help/5002416
https://support.microsoft.com/help/5002416

cvss

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

7.3

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.7–7.3

v3.17.3highAV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:Nsecondary · FSTEC (BDU) RU

v3.17.3highCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N/E:U/RL:O/RC:Csecondary · ENISA EU

v3.17.3highCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:Nsecondary · secure@microsoft.com USexploitability 2.1 · impact 5.2

v3.16.7mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N/E:Usecondary · CVSS-BT (t0sche)

v3.17.3highCVSS:3.1/AV:N/AC:L/PR:L/UI:R/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-451USCWE-79USCWE-79US

affected products (26)

Products and version ranges known to be affected.

Microsoft 365 Appsall versionscert_bundDEcpe:/a:microsoft:365_apps:-
Microsoft Excel 2013 RT SP1all versionscert_bundDEcpe:/a:microsoft:excel_2013:rt_sp1
Microsoft Excel 2013 SP1all versionscert_bundDEcpe:/a:microsoft:excel_2013:sp1
Microsoft Excel 2016all versionscert_bundDEcpe:/a:microsoft:excel_2016:-
Microsoft Office 2019all versionscert_bundDEcpe:/a:microsoft:office_2019:-
Microsoft Office 2019 for Macall versionscert_bundDEcpe:/a:microsoft:office_2019_for_mac:-
Microsoft Office LTSC 2021all versionscert_bundDEcpe:/a:microsoft:office:ltsc_2021
Microsoft Office LTSC for Mac 2021all versionscert_bundDEcpe:/a:microsoft:office:ltsc_for_mac_2021
Microsoft Office Online Serverall versionscert_bundDEcpe:/a:microsoft:office_online_server:-
Microsoft OneNote for Universalall versionscert_bundDEcpe:/a:microsoft:onenote:for_universal
Microsoft Outlook 2013all versionscert_bundDEcpe:/a:microsoft:outlook_2013:-
Microsoft Outlook 2013 RT SP1all versionscert_bundDEcpe:/a:microsoft:outlook_2013:rt_sp_1
Microsoft Outlook 2016all versionscert_bundDEcpe:/a:microsoft:outlook_2016:-
Microsoft SharePoint Enterprise Server 2016all versionscert_bundDEcpe:/a:microsoft:sharepoint:enterprise_server_2016
Microsoft SharePoint Server 2019all versionscert_bundDEcpe:/a:microsoft:sharepoint_server_2019:-
Microsoft SharePoint Server Subscription Editionall versionscert_bundDEcpe:/a:microsoft:sharepoint:server_subscription_edition
Microsoft Microsoft SharePoint Server 201916.0.0 → 16.0.10399.20005enisa_euvdEU
Microsoft Microsoft SharePoint Server Subscription Edition16.0.0 → 16.0.16130.20548enisa_euvdEU
Microsoft Corp Microsoft SharePoint Server 2019all versionsfstec_bduRU
Microsoft Corp Microsoft SharePoint Server Subscription Editionall versionsfstec_bduRU

showing 20 of 26

advisories (2)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2023-1443Microsoft Office: Mehrere SchwachstellenDeutsch2023-06-13csaf · cert_bundDE
Ein entfernter, anonymer oder authentisierter Angreifer kann mehrere Schwachstellen in Microsoft 365 Apps, Microsoft Excel, Microsoft Office, Microsoft OneNote, Microsoft Outlook und Microsoft SharePoint ausnutzen, um seine Privilegien zu erweitern, beliebigen Code auszuführen, vertrauliche Informationen offenzulegen, einen Denial-of-Service-Zustand zu verursachen und Daten zu manipulieren.
msrc_CVE-2023-33130Microsoft SharePoint Server Spoofing Vulnerability2023-06-13csaf · 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 cert_bund msrc_csaf NVD CVE.org MITRE

published 2023-06-14modified 2026-06-17

references (5)

External citations — patches, advisories, analysis.

scry

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