Is CVE-2026-21690 in the CISA KEV catalog?

No. CVE-2026-21690 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2026-21690?

CVE-2026-21690 has a CVSS v3 base score of 6.3 (MEDIUM).

What is the EPSS score for CVE-2026-21690?

CVE-2026-21690 has an EPSS score of 0.19% (9th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2026-21690?

Upgrade iccdev to 2.3.1.2 or later.

CVE & CISA-KEV Catalog

CVE-2026-21690

MEDIUM

6.3

CVSS v3

NVD

Description

iccDEV provides a set of libraries and tools that allow for the interaction, manipulation, and application of International Color Consortium (ICC) color management profiles. Versions prior to 2.3.1.2 have a Type Confusion vulnerability in `CIccTagXmlTagData::ToXml()`. This vulnerability affects users of the iccDEV library who process ICC color profiles. Version 2.3.1.2 contains a patch. No known workarounds are available.

CWE-20Improper Input Validation CWE-457 CWE-475 CWE-843Type Confusion

How to fix

Remediation Available

iccdevNVD

Affected:< 2.3.1.2Fixed in:2.3.1.2CVE-2026-21690derived 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 InteractionRequired

ScopeUnchanged

Impact

ConfidentialityLow

IntegrityLow

AvailabilityLow

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

Exploit Intelligence

0.19%probability of exploitation in 30 days

9thpercentile

Low risk: more likely to be exploited than 9% of all known CVEs.

References

Patch1

github.com

Exploit1

github.com

Issue Tracking1

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.