How severe is CVE-2026-21486?

CVE-2026-21486 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-21486 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (3rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-21486?

CVE-2026-21486 affects Color Iccdev. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-21486?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2026-21486 have an EU (EUVD) identifier?

Yes. CVE-2026-21486 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-1155.

When was CVE-2026-21486 published?

CVE-2026-21486 was published on 2026-01-06 and last updated on 2026-06-17.

CVE-2026-21486

CVE-2026-21486 is a high-severity vulnerability in Color Iccdev with a CVSS 3.x base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-122.

Key facts

Severity: High (CVSS 3.x base score 7.8)
EPSS exploit prediction: 0% (3rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-1155
Weakness: CWE-122
Affected product: Color Iccdev
Published: 2026-01-06
Last modified: 2026-06-17

Description

iccDEV provides a set of libraries and tools for working with ICC color management profiles. Versions 2.3.1.1 and below contain Use After Free, Heap-based Buffer Overflow and Integer Overflow or Wraparound and Out-of-bounds Write vulnerabilities in its CIccSparseMatrix::CIccSparseMatrix function. This issue is fixed in version 2.3.1.2.

Frequently asked questions

What is CVE-2026-21486?: iccDEV provides a set of libraries and tools for working with ICC color management profiles. Versions 2.3.1.1 and below contain Use After Free, Heap-based Buffer Overflow and Integer Overflow or Wraparound and Out-of-bounds Write vulnerabilities in its CIccSparseMatrix::CIccSparseMatrix function. This issue is fixed in version 2.3.1.2.
How severe is CVE-2026-21486?: CVE-2026-21486 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-21486 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (3rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-21486?: CVE-2026-21486 affects Color Iccdev. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-21486?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2026-21486 have an EU (EUVD) identifier?: Yes. CVE-2026-21486 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-1155.
When was CVE-2026-21486 published?: CVE-2026-21486 was published on 2026-01-06 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:color:iccdev:*:*:*:*:*:*:*:*

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