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CVE-2021-386467.8High

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

Microsoft · Microsoft 365 Apps for Enterprise

Vendor fix available · Affected: Microsoft 365 Apps for Enterprise · Exploitation: in CISA KEV since 28 Mar 2022

Known ransomware use

Not in CyberSIXT coverage yet: no article names this CVE. This page shows the public record.

ExploitationIn CISA KEV

  1. In CISA KEVCISA KEV catalogue28 Mar 2022
  2. Exploited (reported): not seen
  3. Scanning observed: not seen
  4. Proof of concept public: not seen
  5. Not established: not seen
8.0%probability of exploitation in the next 30 days
94th percentile
050100

Higher than 94% of scored CVEs

7.8HighCVSS 3.1
LowHigh

DescriptionCVE.org

Microsoft Office Access Connectivity Engine Remote Code Execution Vulnerability

Affected products4

From the CVE record. A product or version that is not listed is unknown, not unaffected.

  • Microsoft · Microsoft 365 Apps for Enterprisefrom 16.0.1 before https://aka.ms/OfficeSecurityReleases
  • Microsoft · Microsoft Office 2013 Service Pack 1from 15.0.0 before 5381.1000
  • Microsoft · Microsoft Office 2016from 16.0.0 before 5215.1000
  • Microsoft · Microsoft Office 2019from 19.0.0 before https://aka.ms/OfficeSecurityReleases

On the Atlas

Every published CVE is on the CyberSIXT Atlas, grouped by weakness, vendor and month.

Open the Atlas
Exploitation
Exploited in the wild. Listed in the CISA Known Exploited Vulnerabilities catalogue.
CISA KEV
Listed since 28 Mar 2022 · known ransomware use · catalogue entry
Public check
No public nuclei template
Vendor
Microsoft

What changed

  1. CISA’s KEV entry now notes known ransomware use CISA
  2. CISA added it to the KEV catalogue CISA

CoverageNo articles yet

No CyberSIXT article names CVE-2021-38646 yet, so there is no coverage timeline, action brief or change log for it. Everything on this page comes from the public CVE record, CISA KEV, EPSS and the nuclei template index. Search the archive or see the CVEs in the news.

References