Is CVE-2022-26901 in the CISA KEV catalog?

No. CVE-2022-26901 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2022-26901?

CVE-2022-26901 has a CVSS v3 base score of 7.8 (HIGH).

What is the EPSS score for CVE-2022-26901?

CVE-2022-26901 has an EPSS score of 2.58% (83th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2022-26901?

Install KB5002175 for Microsoft Excel 2013 RT Service Pack 1. Fixes are available for 8 affected products.

CVE & CISA-KEV Catalog

CVE-2022-26901

HIGHEPSS 83th pctl

7.8

CVSS v3

NVD

Description

Microsoft Excel Remote Code Execution Vulnerability

How to fix

Remediation Available

Microsoft Excel 2013 RT Service Pack 1Microsoft

Install:KB5002175

Microsoft Excel 2013 Service Pack 1Microsoft

Install:KB5002175Microsoft

Microsoft Excel 2016Microsoft

Install:KB5002177Microsoft

Microsoft Office 2013 RT Service Pack 1Microsoft

Install:KB5002148

Microsoft Office 2013 Service Pack 1Microsoft

Install:KB5002148Microsoft

Microsoft Office 2016Microsoft

Install:KB5002143Microsoft

Microsoft Office Online ServerMicrosoft

Install:KB5002162Microsoft

Microsoft Office Web Apps Server 2013 Service Pack 1Microsoft

Install:KB5002169Microsoft

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 VectorLocal

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

2.58%probability of exploitation in 30 days

83rdpercentile

Elevated risk: more likely to be exploited than 83% of all known CVEs.

References

Other references1

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.