Description
Microsoft Office Access Connectivity Engine Remote Code Execution Vulnerability
Metrics
CVSS 3.1 7.8/10
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HAffected software
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Microsoft 365 Apps for Enterprise | >= 16.0.1, < https://aka.ms/OfficeSecurityReleases |
| Microsoft | Microsoft Office 2013 Service Pack 1 | >= 15.0.0, < 5381.1000 |
| Microsoft | Microsoft Office 2016 | >= 16.0.0, < 5215.1000 |
| Microsoft | Microsoft Office 2019 | >= 19.0.0, < https://aka.ms/OfficeSecurityReleases |
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-38646Patch, Vendor Advisory
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-38646Patch, Vendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-38646US Government Resource
Timeline
- Published
- Sep 15, 2021
- Last modified
- Aug 10, 2026
- Added to CISA KEV
- Mar 28, 2022
- NVD status
- Analyzed