CVE-2023-23399 json
Microsoft Excel Remote Code Execution Vulnerability
published 2023-03-14 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-27499
- cvss
- 7.8
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 2.5%
- EPSS 2.5% chance of exploitation in 30 days, percentile 85%
- public exploits
- 1
- Exploit-DB
Summary
Microsoft Excel Remote Code Execution Vulnerability
Patch / fix
- Microsoft Microsoft Office 2019 for Mac 16.71.23031200
- Microsoft Microsoft Office Online Server 16.0.10396.20000
- Microsoft Microsoft Office LTSC for Mac 2021 16.71.23031200
- Microsoft Microsoft Excel 2016 16.0.5387.1000
- Microsoft Microsoft Office 2016 16.0.5387.1000
- Microsoft Microsoft Excel 2013 Service Pack 1 15.0.5537.1000
- Microsoft Microsoft Office 2013 Service Pack 1 15.0.5537.1000
- Microsoft Microsoft Office Web Apps Server 2013 Service Pack 1 15.0.5537.1000
Timeline
- Published
- First public exploit (EDB-51328)
Exploit prediction
2.53% chance of exploitation in the next 30 days, higher than 85% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- EDB-51328 Microsoft Excel 365 MSO (Version 2302 Build 16.0.16130.20186) 64-bit - Remote Code Execution (RCE) remote, 2023-04-08
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C |
| CNA | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
Affected products
- Microsoft Microsoft Office 2019
- Microsoft Microsoft Office 2019 for Mac
- Microsoft Microsoft Office Online Server
- Microsoft Microsoft 365 Apps for Enterprise
- Microsoft Microsoft Office LTSC for Mac 2021
- Microsoft Microsoft Office LTSC 2021
- Microsoft Microsoft Excel 2016
- Microsoft Microsoft Office 2016
- Microsoft Microsoft Excel 2013 Service Pack 1
- Microsoft Microsoft Office 2013 Service Pack 1
- Microsoft Microsoft Office Web Apps Server 2013 Service Pack 1
Classification
- Weakness
-
- CWE-125 Out-of-bounds Read
References
-
msrc.microsoft.com
/update-guide/vulnerability/CVE-2023-23399
vendor-advisory, patch
Sources
- CVE List CVE-2023-23399
- NVD CVE-2023-23399
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.