CVE-2021-38646: Microsoft Office Access Connectivity Engine Remote Code Execution Vulnerability

CISA Known Exploited Vulnerability (KEV)

Description

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

Required action (CISA)

Apply updates per vendor instructions.

Notes

https://nvd.nist.gov/vuln/detail/CVE-2021-38646

Weakness behind it

CISA has not recorded a CWE for this entry, so the CVE → CWE → CAPEC → ATT&CK chain cannot be walked from here. That is a gap in the catalogue, not evidence the vulnerability has no weakness class — check the NVD record below.

References

• NVD: https://nvd.nist.gov/vuln/detail/CVE-2021-38646
• KEV catalog: https://www.cisa.gov/known-exploited-vulnerabilities-catalog