CVE-2024-21379: 365 Apps Integer Overflow (CVSS 7.8)
CVE-2024-21379
Severity: High
CVSS Score: 7.8/10
Vulnerability Type: Microsoft Word Remote Code Execution Vulnerability
EPSS Probability: 1.72%
Description
Microsoft Word Remote Code Execution Vulnerability
Metrics
- CVSS Score: 7.8/10
- CVSS Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS Probability: 1.72% (75.3th percentile)
- Probability of exploitation in the next 30 days. Learn more
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | 365 Apps | All versions |
| Microsoft | Office | 2019 |
| Microsoft | Office Long Term Servicing Channel | 2021 |
| Microsoft | Word | 2016 |
References
Timeline
- Published: Feb 13, 2024
- Last Modified: Aug 10, 2026
- Status: Modified
Frequently Asked Questions
What is CVE-2024-21379?
Microsoft Word Remote Code Execution Vulnerability
How severe is CVE-2024-21379?
CVE-2024-21379 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 1.72% probability of exploitation in the next 30 days.
How do I fix CVE-2024-21379?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.