Use After Free in Microsoft 365 Apps
CVE-2023-33153
Microsoft Outlook Remote Code Execution Vulnerability
Vulnerability class: Use-After-Free
EPSS: 0.010 (59.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.8 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:H.
Affected products
- Microsoft 365_apps
- Microsoft 365 Apps For Enterprise — versions 16.0.1
- Microsoft Office 2013 Service Pack 1 — versions 15.0.0
- Microsoft Office 2016 — versions 16.0.0
- Microsoft Office 2019 — versions 19.0.0
- Microsoft Office Ltsc 2021 — versions 16.0.1
- Microsoft Office — versions 2013, 2016, 2019
- Microsoft Office_long_term_servicing_channel — versions 2021
Weakness classification (CWE)
References
- secure@microsoft.com (vendor-advisory, Patch, Vendor Advisory)
Frequently asked questions
- What is CVE-2023-33153?
- CVE-2023-33153 is a medium-severity vulnerability in Microsoft 365 Apps, classified under Use After Free. CVSS score: 6.8/10. Published 2023-07-11.
- How severe is CVE-2023-33153?
- Medium severity. CVSS v3 base score is 6.8 out of 10.