CVE-2023-33137 json
Microsoft Excel Remote Code Execution Vulnerability
published 2023-06-13 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-37323
- cvss
- 7.8
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 2.7%
- EPSS 2.7% chance of exploitation in 30 days, percentile 86%
- public exploits
- 1
- Exploit-DB
Summary
Microsoft Excel Remote Code Execution Vulnerability
Patch / fix
- Microsoft Microsoft Office Online Server 16.0.10399.20000
- Microsoft Microsoft Excel 2016 16.0.5400.1000
- Microsoft Microsoft Excel 2013 Service Pack 1 15.0.5563.1000
Timeline
- Published
- First public exploit (EDB-51555)
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- total
- Assessed
- 20 mo ago
Exploit prediction
2.75% chance of exploitation in the next 30 days, higher than 86% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- EDB-51555 Microsoft 365 MSO (Version 2305 Build 16.0.16501.20074) 32-bit - Remote Code Execution (RCE) remote, 2023-07-03
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 Online Server
- Microsoft Microsoft Excel 2016
- Microsoft Microsoft Excel 2013 Service Pack 1
Classification
- Weakness
-
- CWE-415 Double Free
References
-
msrc.microsoft.com
/update-guide/vulnerability/CVE-2023-33137
vendor-advisory, patch
Sources
- CVE List CVE-2023-33137
- NVD CVE-2023-33137
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.