CVE-2021-38646CISA KEVEPSS p94.6%

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

Microsoft / Office

Description

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

Scoring

CVSS 7.8 ()
VectorCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS7.99% probability of exploitation · percentile 94.6% · 2026-10-05T12:00:23Z
Last modified2026-08-10

CISA KEV entry

Added to KEV: 2022-03-28

(incoming)1

TypeTargetConfidenceTier
KEVEntryMicrosoft Office Access Connectivity Engine Remote Code Execution Vulnerabilitykev-cve-2021-386460%live

Related by meaning· 6

Nearest entities by semantic similarity across the cs-graph corpus.

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Microsoft Office Remote Code Execution Vulnerability
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Sourced from NVD + CISA KEV + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.