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© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2026-21686

23
FAUCET Score

CVE-2026-21686 is an Undefined Behavior vulnerability in the iccDEV library, specifically within the CIccTagLutAtoB::Validate() function, affecting versions prior to 2.3.1.2. This flaw impacts applications that process International Color Consortium (ICC) color management profiles using the iccDEV library. Rated 7.1 HIGH on the CVSS scale, this vulnerability can be exploited remotely with low attack complexity, requiring user interaction. While confidentiality is not impacted, it carries a potential for low integrity and high availability impact. Currently, there is no evidence of active exploitation, nor is exploit code publicly available in Metasploit, Nuclei, or ExploitDB. Community discussion and media coverage for this CVE are minimal.

Impacted Technologies

VendorProductVersion(s)CPE
< 2.3.1.1CPE matchmatch criteria
cpe:2.3:a:color:iccdev:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.1HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
LOW
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
4.2
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.24%
Probability of exploitation in next 30 days
EPSS Percentile
15.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0024 is in the 16th percentile among its peer group of 14,875 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.1 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

github_advisorypatch availablevia nvd_reference
View patch

References

github.com / InternationalColorConsortium/iccDEV/issues/214
ExploitIssue TrackingVendor Advisory
github.com / InternationalColorConsortium/iccDEV/pull/222
Issue TrackingPatch
github.com / InternationalColorConsortium/iccDEV/security/advisories/GHSA-792q-cqq9-mq4x
Vendor Advisory