Is CVE-2023-33162 in the CISA KEV catalog?

No. CVE-2023-33162 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2023-33162?

CVE-2023-33162 has a CVSS v3 base score of 5.5 (MEDIUM).

What is the EPSS score for CVE-2023-33162?

CVE-2023-33162 has an EPSS score of 0.75% (50th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2023-33162?

Install KB5002434 for Microsoft Excel 2013 RT Service Pack 1. Fixes are available for 4 affected products.

CVE & CISA-KEV Catalog

CVE-2023-33162

MEDIUM

5.5

CVSS v3

NVD

Description

Microsoft Excel Information Disclosure Vulnerability

CWE-125Out-of-bounds Read

How to fix

Remediation Available

Microsoft Excel 2013 RT Service Pack 1Microsoft

Install:KB5002434

Microsoft Excel 2013 Service Pack 1Microsoft

Install:KB5002434Microsoft

Microsoft Excel 2016Microsoft

Install:KB5002426Microsoft

Microsoft Office Online ServerMicrosoft

Install:KB5002421Microsoft

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

IntegrityNone

AvailabilityNone

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

Exploit Intelligence

0.75%probability of exploitation in 30 days

50thpercentile

Moderate risk: more likely to be exploited than 50% of all known CVEs.

References

Patch1

msrc.microsoft.com

Related Vulnerabilities

Other CWE-125 (Out-of-bounds Read) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2014-0160	High	7.5	100%	KEV	Fix
CVE-2025-5777	High	7.5	100%	KEV + Ransom	Fix
CVE-2021-4034	High	7.8	95%	KEV	Fix
CVE-2023-21769	High	7.5	92%	-	Fix
CVE-2023-49285	High	8.6	89%	-	Fix
CVE-2020-8794	Critical	9.8	89%	-	Fix

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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.