Is CVE-2021-42293 in the CISA KEV catalog?

No. CVE-2021-42293 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-42293?

CVE-2021-42293 has a CVSS v3 base score of 6.5 (MEDIUM).

What is the EPSS score for CVE-2021-42293?

CVE-2021-42293 has an EPSS score of 2.80% (85th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-42293?

Install KB5002104 for Microsoft Office 2013 RT Service Pack 1. Fixes are available for 3 affected products.

CVE & CISA-KEV Catalog

CVE-2021-42293

MEDIUMEPSS 85th pctl

6.5

CVSS v3

NVD

Description

Microsoft Jet Red Database Engine and Access Connectivity Engine Elevation of Privilege Vulnerability

How to fix

Remediation Available

Microsoft Office 2013 RT Service Pack 1Microsoft

Install:KB5002104

Microsoft Office 2013 Service Pack 1Microsoft

Install:KB5002104Microsoft

Microsoft Office 2016Microsoft

Install:KB5002099Microsoft

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Exploit Intelligence

2.80%probability of exploitation in 30 days

85thpercentile

Elevated risk: more likely to be exploited than 85% of all known CVEs.

References

Patch1

portal.msrc.microsoft.com

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-05-19.