RCE in Microsoft 365 Apps For Enterprise
CVE-2023-33131
Microsoft Outlook Remote Code Execution Vulnerability
Vulnerability class: RCE (Remote Code Execution)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.057 (92.9th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 93rd percentile — 92.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.057 · newest: 0.057 · change: 0.000
Affected products
- Microsoft 365 Apps For Enterprise — versions 16.0.1
- Microsoft Office 2019 — versions 19.0.0
- Microsoft Office Ltsc 2021 — versions 16.0.1
- Microsoft Outlook 2013 — versions 14.0.0
- Microsoft Outlook 2013 Service Pack 1 — versions 15.0.0.0
- Microsoft Outlook 2016 — versions 16.0.0.0
- Microsoft Office — versions 2019
- Microsoft Office Long Term Servicing Channel — versions 2021
- Microsoft Outlook — versions 2013, 2016
- Microsoft Outlook Rt — versions 2013
Weakness classification (CWE)
Public proof-of-concept exploits
References
- msrc.microsoft.com/update-guide/vulnerability/CVE-2023-33131 (vendor-advisory, Patch, Vendor Advisory)
- af854a3a-2127-422b-91ae-364da2661108
Frequently asked questions
- What is CVE-2023-33131?
- CVE-2023-33131 is a high-severity vulnerability in Microsoft 365 Apps For Enterprise, classified under Code Injection. CVSS score: 8.8/10. Published 2023-06-14.
- How severe is CVE-2023-33131?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2023-33131 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.