What is the CVSS score of CVE-2026-21679?

CVE-2026-21679 has a CVSS 3.1 base score of 8.8 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.1%.

Which versions of Iccdev are affected by CVE-2026-21679?

CVE-2026-21679 presents significant security risk, a input validation vulnerability rated CVSS 8.8.. A patch is available.

Is there a public PoC exploit available for CVE-2026-21679?

Yes, a public proof-of-concept exploit is available for CVE-2026-21679. Prioritise patching immediately. EPSS: 0.1%.

Iccdev CVE-2026-21679

HIGH

Improper Input Validation (CWE-20)

2026-01-07 security-advisories@github.com

Code Injection Iccdev

8.8

CVSS 3.1 · GitHub Advisory

Severity by source

GitHub Advisory PRIMARY

8.8 HIGH

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

Primary rating from GitHub Advisory · only source for this CVE.

CVSS VectorGitHub Advisory

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

Analysis Generated

Mar 12, 2026 - 21:54 vuln.today

PoC Detected

Jan 09, 2026 - 21:34 vuln.today

Public exploit code

Patch released

Jan 09, 2026 - 21:34 nvd

Patch available

CVE Published

Jan 07, 2026 - 18:15 nvd

HIGH 8.8

DescriptionGitHub Advisory

iccDEV provides a set of libraries and tools that allow for the interaction, manipulation, and application of ICC color management profiles. Prior to version 2.3.1.2, iccDEV is vulnerable to heap-buffer-overflow in CIccLocalizedUnicode::GetText(). This issue has been patched in version 2.3.1.2.

AnalysisAI

Heap buffer overflow in iccDEV versions prior to 2.3.1.2 allows remote attackers to execute arbitrary code through the CIccLocalizedUnicode::GetText() function with minimal attack complexity. The vulnerability affects users of the ICC color profile manipulation library and has public exploit code available. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access

Craft malicious ICC profile file

Delivery

Supply to iccDEV application

Exploit

Trigger GetText() parsing

Execution

Heap buffer overflow

Impact

Execute arbitrary code

Access

Craft malicious ICC profile file

Delivery

Supply to iccDEV application

Exploit

Trigger GetText() parsing

Execution

Heap buffer overflow

Impact

Execute arbitrary code

Vulnerability AssessmentAI

Exploitation	User interaction required — victim must open or process a malicious ICC color profile in iccDEV versions before 2.3.1.2 through file open dialog or import function. Additional conditions and limiting factors are described in the full assessment.
Risk Assessment	CVSS 8.8 (HIGH). … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario	An attacker could exploit this vulnerability to compromise the affected system.
Remediation	A vendor patch is available — apply it immediately. … Detailed patch versions, workarounds, and compensating controls in full report.

Recommended ActionAI

Within 7 days: Identify all affected systems and apply vendor patches promptly. …

Threat intelligence, references, and detailed analysis are available after sign-in.

CVE-2026-21679 vulnerability details – vuln.today

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Iccdev CVE-2026-21679

Severity by source

CVSS VectorGitHub Advisory

Lifecycle Timeline

DescriptionGitHub Advisory

AnalysisAI

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Attack ChainAIDerived

Vulnerability AssessmentAI

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External POC / Exploit Code