CVE-2023-33131 json
Microsoft Outlook Remote Code Execution Vulnerability
published 2023-06-13 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-37317
- cvss
- 8.8
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 5.7%
- EPSS 5.7% chance of exploitation in 30 days, percentile 93%
- public exploits
- 1
- Exploit-DB
Summary
Microsoft Outlook Remote Code Execution Vulnerability
Patch / fix
- Microsoft Microsoft Outlook 2016 16.0.5400.1000
- Microsoft Microsoft Outlook 2013 15.0.5563.1000
- Microsoft Microsoft Outlook 2013 Service Pack 1 15.0.5563.1000
Timeline
- Published
- First public exploit (EDB-51574)
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- total
- Assessed
- 20 mo ago
Exploit prediction
5.72% chance of exploitation in the next 30 days, higher than 93% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- EDB-51574 Microsoft Outlook Microsoft 365 MSO (Version 2306 Build 16.0.16529.20100) 32-bit - Remote Code Execution remote, 2023-07-07
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C |
| CNA | 3.1 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
Affected products
- Microsoft Microsoft Office 2019
- Microsoft Microsoft 365 Apps for Enterprise
- Microsoft Microsoft Office LTSC 2021
- Microsoft Microsoft Outlook 2016
- Microsoft Microsoft Outlook 2013
- Microsoft Microsoft Outlook 2013 Service Pack 1
Classification
- Weakness
-
- CWE-94 Improper Control of Generation of Code
References
Sources
- CVE List CVE-2023-33131
- NVD CVE-2023-33131
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.