Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

CVE-2021-38646

Microsoft Office Access Connectivity Engine Remote Code Execution Vulnerability

Published

2021-09-15T12:15:15.033

Last Modified

2025-10-22T00:17:42.663

Status

Undergoing Analysis

Source

[email protected]

Severity

CVSSv3.1: 7.8 (HIGH)

CVSSv2 Vector

AV:N/AC:M/Au:N/C:P/I:P/A:P

Access Vector: NETWORK
Access Complexity: MEDIUM
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: PARTIAL
Availability Impact: PARTIAL

Exploitability Score

8.6

Impact Score

6.4

Weaknesses

Type: Primary
NVD-CWE-noinfo

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	microsoft	365_apps	-	Yes
Application	microsoft	office	2013	Yes
Application	microsoft	office	2013	Yes
Application	microsoft	office	2016	Yes
Application	microsoft	office	2019	Yes

References

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-38646 Patch, Vendor Advisory ([email protected])
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-38646 Patch, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-38646 (134c704f-9b21-4f2e-91b3-4a467353bcc0)