7.8
High
Exploited
· ransomware
CVE-2021-38646 Microsoft Office Access Connectivity Engine Remote Code Execution Vulnerability
Active exploitation observed
· CISA KEV catalogue
Required action
Apply updates per vendor instructions.
Ransomware campaigns
Known to be used
Description
Microsoft Office Access Connectivity Engine Remote Code Execution Vulnerability
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Microsoft Office 2019 19.0 | 19.0.0 → latest | No fix stated |
| Microsoft 365 Apps for Enterprise 16.0 | 16.0.1 → latest | No fix stated |
| Microsoft Office 2016 16.0 | 16.0.0 → < 5215.1000 | 5215.1000 |
| Microsoft Office 2013 Service Pack 1 15.0 | 15.0.0 → < 5381.1000 | 5381.1000 |
References
Timeline
- Published
- Added to the KEV catalogue
- Last modified
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