CVE-2021-38646

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Summary

CVECVE-2021-38646
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2021-09-15 12:15:00 UTC
Updated2023-12-28 20:16:00 UTC
DescriptionMicrosoft Office Access Connectivity Engine Remote Code Execution Vulnerability

Risk And Classification

EPSS: 0.509320000 probability, percentile 0.978510000 (date 2026-04-02)

CISA KEV: Listed on 2022-03-28; due 2022-04-18; ransomware use Known

Problem Types: NVD-CWE-noinfo

CISA Known Exploited Vulnerability

VendorMicrosoft
ProductOffice
NameMicrosoft Office Access Connectivity Engine Remote Code Execution Vulnerability
Required ActionApply updates per vendor instructions.
Noteshttps://nvd.nist.gov/vuln/detail/CVE-2021-38646

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Microsoft 365 Apps - All All All
Application Microsoft Office 2013 sp1 All All
Application Microsoft Office 2013 sp1 All All
Application Microsoft Office 2016 All - All
Application Microsoft Office 2019 All All All

References

ReferenceSourceLinkTags
Security Update Guide - Microsoft Security Response Center MISC portal.msrc.microsoft.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
CISA Known Exploited Vulnerabilities catalog CISA www.cisa.gov kev

Legacy QID Mappings

  • 110390 Microsoft Office and Microsoft Office Services and Web Apps Security Update September 2021
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