Is CVE-2023-26066 in the CISA KEV catalog?

No. CVE-2023-26066 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2023-26066?

CVE-2023-26066 has a CVSS v3 base score of 9.8 (CRITICAL).

What is the EPSS score for CVE-2023-26066?

CVE-2023-26066 has an EPSS score of 0.71% (49th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2023-26066?

Upgrade cslbl firmware to cslbl.081.232 or later. Fixes are available for 26 affected products.

CVE & CISA-KEV Catalog

CVE-2023-26066

CRITICAL

9.8

CVSS v3

NVD

Description

Certain Lexmark devices through 2023-02-19 have Improper Validation of an Array Index.

CWE-129

How to fix

Remediation Available

cslbl firmwareNVD

Affected:< cslbl.081.232Fixed in:cslbl.081.232CVE-2023-26066derived from NVD

cslbn firmwareNVD

Affected:< cslbn.081.232Fixed in:cslbn.081.232CVE-2023-26066derived from NVD

csnzj firmwareNVD

Affected:< csnzj.081.232Fixed in:csnzj.081.232CVE-2023-26066derived from NVD

cstpc firmwareNVD

Affected:< cstpc.081.232Fixed in:cstpc.081.232CVE-2023-26066derived from NVD

cstzj firmwareNVD

Affected:< cstzj.081.232Fixed in:cstzj.081.232CVE-2023-26066derived from NVD

cxlbl firmwareNVD

Affected:< cxlbl.081.232Fixed in:cxlbl.081.232CVE-2023-26066derived from NVD

cxlbn firmwareNVD

Affected:< cxlbn.081.232Fixed in:cxlbn.081.232CVE-2023-26066derived from NVD

cxtmm firmwareNVD

Affected:< cxtmm.081.232Fixed in:cxtmm.081.232CVE-2023-26066derived from NVD

cxtpc firmwareNVD

Affected:< cxtpc.081.232Fixed in:cxtpc.081.232CVE-2023-26066derived from NVD

cxtzj firmwareNVD

Affected:< cxtzj.081.232Fixed in:cxtzj.081.232CVE-2023-26066derived from NVD

lhs60 firmwareNVD

Affected:< lhs60.jr.p760Fixed in:lhs60.jr.p760CVE-2023-26066derived from NVD

lp firmwareNVD

Affected:< lp.sp.p837Fixed in:lp.sp.p837CVE-2023-26066derived from NVD

lr firmwareNVD

Affected:< lr.fl.p838Fixed in:lr.fl.p838CVE-2023-26066derived from NVD

lw80 firmwareNVD

Affected:< lw80.gm7.p234Fixed in:lw80.gm7.p234CVE-2023-26066derived from NVD

mslbd firmwareNVD

Affected:< mslbd.081.232Fixed in:mslbd.081.232CVE-2023-26066derived from NVD

mslsg firmwareNVD

Affected:< mslsg.081.232Fixed in:mslsg.081.232CVE-2023-26066derived from NVD

msngm firmwareNVD

Affected:< msngm.081.232Fixed in:msngm.081.232CVE-2023-26066derived from NVD

msngw firmwareNVD

Affected:< msngw.081.232Fixed in:msngw.081.232CVE-2023-26066derived from NVD

mstgw firmwareNVD

Affected:< mstgw.081.232Fixed in:mstgw.081.232CVE-2023-26066derived from NVD

mxlbd firmwareNVD

Affected:< mxlbd.081.232Fixed in:mxlbd.081.232CVE-2023-26066derived from NVD

mxlsg firmwareNVD

Affected:< mxlsg.081.232Fixed in:mxlsg.081.232CVE-2023-26066derived from NVD

mxngm firmwareNVD

Affected:< mxngm.081.232Fixed in:mxngm.081.232CVE-2023-26066derived from NVD

mxtct firmwareNVD

Affected:< mxtct.081.232Fixed in:mxtct.081.232CVE-2023-26066derived from NVD

mxtgm firmwareNVD

Affected:< mxtgm.081.232Fixed in:mxtgm.081.232CVE-2023-26066derived from NVD

mxtgw firmwareNVD

Affected:< mxtgw.081.232Fixed in:mxtgw.081.232CVE-2023-26066derived from NVD

mxtpm firmwareNVD

Affected:< mxtpm.081.232Fixed in:mxtpm.081.232CVE-2023-26066derived from NVD

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 RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

0.71%probability of exploitation in 30 days

49thpercentile

Moderate risk: more likely to be exploited than 49% of all known CVEs.

References

Vendor Advisory2

Related Vulnerabilities

Other CWE-129 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2021-35592	Medium	6.3	51%	-	Fix
CVE-2021-35598	Medium	6.3	50%	-	Fix
CVE-2021-35594	Medium	6.3	50%	-	Fix
CVE-2022-35737	High	7.5	19%	-	Fix
CVE-2014-6317	High	7.1	18%	-	-
CVE-2023-40477	High	7.8	13%	-	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 2025-02-11.