CVE-2021-38646 KEV
7.8
HIGH · CVSS 3.1 · EPSS 8% (pctl 95)
Patch first
On CISA KEV — known exploited in the wild, due 2022-04-18.
Description
Microsoft Office Access Connectivity Engine Remote Code Execution Vulnerability
Scoring
| CVSS | 7.8 (HIGH, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| EPSS | 7.99% — more likely to be exploited than 95% of all CVEs |
| On CISA KEV | yes — remediate by 2022-04-18 |
| Public exploit | none known |
| Published | 2021-09-15 |
| Last modified | 2026-08-10 |
CISA KEV
| Name | Microsoft Office Access Connectivity Engine Remote Code Execution Vulnerability |
|---|---|
| Added | 2022-03-28 |
| Due | 2022-04-18 |
| Vendor / product | Microsoft / Office |
| Ransomware use | known |
Affected (4)
| Vendor | Product |
|---|---|
| microsoft | 365 apps |
| microsoft | office |
| microsoft | office 2016 |
| microsoft | office 2019 |
References
→ the Explorer · watch your stack · NVD