Use After Free in Microsoft 365_apps
CVE-2024-21384
Microsoft Office OneNote Remote Code Execution Vulnerability
Vulnerability class: Use-After-Free
EPSS: 0.008 (53.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
Affected products
- Microsoft 365_apps
- Microsoft 365 Apps For Enterprise — versions 16.0.1
- Microsoft Office Ltsc 2021 — versions 16.0.1
- Microsoft Office_long_term_servicing_channel — versions 2021
Weakness classification (CWE)
Public proof-of-concept exploits
References
- secure@microsoft.com (vendor-advisory, Patch, Vendor Advisory)
Frequently asked questions
- What is CVE-2024-21384?
- CVE-2024-21384 is a high-severity vulnerability in Microsoft 365_apps, classified under Use After Free. CVSS score: 7.8/10. Published 2024-02-13.
- How severe is CVE-2024-21384?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2024-21384 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.