Is CVE-2026-21487 in the CISA KEV catalog?

No. CVE-2026-21487 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2026-21487?

CVE-2026-21487 has a CVSS v3 base score of 6.1 (MEDIUM).

What is the EPSS score for CVE-2026-21487?

CVE-2026-21487 has an EPSS score of 0.16% (6th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2026-21487?

Upgrade iccdev to 2.3.1.2 or later.

CVE & CISA-KEV Catalog

CVE-2026-21487

MEDIUM

6.1

CVSS v3

NVD

Description

iccDEV provides a set of libraries and tools for working with ICC color management profiles. Versions 2.3.1.1 and below have an Out-of-bounds Read, Use of Out-of-range Pointer Offset and have Improper Input Validation in its CIccProfile::LoadTag function. This issue is fixed in version 2.3.1.2.

CWE-20Improper Input Validation CWE-125Out-of-bounds Read CWE-823

How to fix

Remediation Available

iccdevNVD

Affected:< 2.3.1.2Fixed in:2.3.1.2CVE-2026-21487derived 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 VectorLocal

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityLow

IntegrityNone

AvailabilityHigh

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

Exploit Intelligence

0.16%probability of exploitation in 30 days

6thpercentile

Low risk: more likely to be exploited than 6% of all known CVEs.

References

Patch2

Exploit1

github.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 2026-01-12.