KEV Entry

CVE-2021-38646

Known Exploited Vulnerability Entry CISA

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Entry Details
Confirmed Exploited

CVE-2021-38646

2022-03-28 02:00 CEST

Timestamps

2022-03-28

2022-03-28

Scope

Microsoft Office Access Connectivity Engine Remote Code Execution Vulnerability | Affected: Microsoft / Office | Description: Microsoft Office Access Connectivity Engine contains an unspecified vulnerability which can allow for remote code execution. | Required action: Apply updates per vendor instructions. | Due date: 2022-04-18 | Known ransomware campaign use (KEV): Known | Notes (KEV): https://nvd.nist.gov/vuln/detail/CVE-2021-38646

References
  • {'id': 'CVE-2021-38646', 'url': 'https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2021-38646'}

9ca1fc9f-54ce-45b5-b41e-2bbd34e7be52

CISA
405284c2-e461-4670-8979-7fd2c9755a60

2026-10-02 08:10 CEST

2026-10-02 08:10 CEST

Evidence
1
Type Source Signal Confidence Details GCVE Metadata
vendor_report cisa-kev successful_exploitation 0.80
View details 
{
  "cwes": [],
  "date_added": "2022-03-28",
  "due_date": "2022-04-18",
  "feed": "CISA Known Exploited Vulnerabilities Catalog",
  "knownRansomwareCampaignUse": "Known",
  "product": "Office",
  "vendorProject": "Microsoft",
  "vulnerabilityName": "Microsoft Office Access Connectivity Engine Remote Code Execution Vulnerability"
}
 -
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