CVEvulnerability

CVE-2021-38646

7.8 HIGH Known exploited Published 2021-09-15 Modified 2026-08-10 Official page ↗

CISA Known Exploited Vulnerability

Microsoft Office Access Connectivity Engine Remote Code Execution Vulnerability — Microsoft Office

Microsoft Office Access Connectivity Engine contains an unspecified vulnerability which can allow for remote code execution.

Added to KEV
2022-03-28
Remediation due
2022-04-18
Ransomware use
Known
Required action
Apply updates per vendor instructions.
Notes
https://nvd.nist.gov/vuln/detail/CVE-2021-38646
Status
Analyzed
Published
2021-09-15
Last modified
2026-08-10
Assigner
[email protected]
CVSS 3.1 ([email protected])
7.8 HIGH — CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS 3.1 ([email protected])
7.8 HIGH — CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS 2.0 ([email protected])
6.8 MEDIUM — AV:N/AC:M/Au:N/C:P/I:P/A:P

Description

Microsoft Office Access Connectivity Engine Remote Code Execution Vulnerability

Affected configurations

• microsoft 365 apps • microsoft office 2013 • microsoft office 2016 • microsoft office 2019

References