[ CVE-2021-38646 · Published 15 Sep 2021 ]
Microsoft Office Access Connectivity Engine Remote Code Execution Vulnerability
Exploited · CISA KEV CVSS 7.8
EPSS 8%Fix available
[ Why it matters ]Priority signals
- Exploited in the wild: on CISA's Known Exploited Vulnerabilities list since 2022-03-28
- Known to be used in ransomware campaigns
[ Description ]Official description
Microsoft Office Access Connectivity Engine Remote Code Execution Vulnerability
CISA: Microsoft Office Access Connectivity Engine contains an unspecified vulnerability which can allow for remote code execution.
[ Fixes ]Fixes and patches
CISA required action (US federal deadline 18 Apr 2022): Apply updates per vendor instructions.
- Patch on msrc.microsoft.comVendor patch or bulletin · NVD · Reference tagged 'Patch' by NVD
- Patch on portal.msrc.microsoft.comVendor patch or bulletin · NVD · Reference tagged 'Patch' by NVD
[ References ]References
- msrc.microsoft.com/update-guide/vulnerability/CVE-2021-38646PatchVendor Advisory
- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-38646PatchVendor Advisory
- www.cisa.gov/known-exploited-vulnerabilities-catalogUS Government Resource