CVE-2023-33137

highpriority · track · 11EPSS 0.027 · 86 %ileexploit · PoCDEEURUUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

1 exploit · PoC

Likely / severe?

2.75% (86th) EPSS

CVSS 7.8 · high

Is it mine?

45 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · fstec_bdu · cert_bund

EPSS · scored 2026-10-27

Microsoft Excel Remote Code Execution Vulnerability

remediations

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

A vendor fix is available.

FixedMicrosoft Excel 2013 RT Service Pack 1msrc_csaf
15.0.5563.1000:Security Update:https://support.microsoft.com/help/5002414
https://support.microsoft.com/help/5002414
FixedMicrosoft Excel 2013 Service Pack 1 (32-bit editions)msrc_csaf
15.0.5563.1000:Security Update:https://support.microsoft.com/help/5002414
https://support.microsoft.com/help/5002414
FixedMicrosoft Excel 2013 Service Pack 1 (64-bit editions)msrc_csaf
15.0.5563.1000:Security Update:https://support.microsoft.com/help/5002414
https://support.microsoft.com/help/5002414
FixedMicrosoft Excel 2016 (32-bit edition)msrc_csaf
16.0.5400.1000:Security Update:https://support.microsoft.com/help/5002405
https://support.microsoft.com/help/5002405
FixedMicrosoft Excel 2016 (64-bit edition)msrc_csaf
16.0.5400.1000:Security Update:https://support.microsoft.com/help/5002405
https://support.microsoft.com/help/5002405
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 Online Servermsrc_csaf
16.0.10399.20000:Security Update:https://support.microsoft.com/help/5002401
https://support.microsoft.com/help/5002401

cvss

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

7.8

010

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

v3.17.8highAV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU

v3.17.8highCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:Csecondary · ENISA EU

v3.17.8highCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:Hsecondary · secure@microsoft.com USexploitability 1.8 · impact 5.9

v3.17.4highCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:Psecondary · CVSS-BT (t0sche)

v3.17.8highCVSS:3.1/AV:L/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

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-20USCWE-415USCWE-415US

exploits (1)

Public proof-of-concept and weaponised exploit code.

EDB-51555Microsoft 365 MSO (Version 2305 Build 16.0.16501.20074) 32-bit - Remote Code Execution (RCE)PoC · exploit_db

affected products (45)

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 Excel 2013 Service Pack 115.0.0.0 → 15.0.5563.1000enisa_euvdEU
Microsoft Microsoft Excel 201616.0.0.0 → 16.0.5400.1000enisa_euvdEU
Microsoft Microsoft Office 201919.0.0 → https://aka.ms/OfficeSecurityReleasesenisa_euvdEU
Microsoft Microsoft Office Online Server16.0.1 → 16.0.10399.20000enisa_euvdEU

showing 20 of 45

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-2023-33137Microsoft Excel Remote Code Execution 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 (7)

External citations — patches, advisories, analysis.

scry

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