Is CVE-2026-13742 in the CISA KEV catalog?

No. CVE-2026-13742 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2026-13742?

CVE-2026-13742 has a CVSS v4 base score of 5.9 (MEDIUM).

What is the EPSS score for CVE-2026-13742?

CVE-2026-13742 has an EPSS score of 0.08% (0th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix or mitigate CVE-2026-13742?

No published fix for CVE-2026-13742 has been found yet. Check the linked vendor advisories for guidance as it becomes available.

CVE & CISA-KEV Catalog

CVE-2026-13742

MEDIUM

5.9

CVSS v4

NVD

Description

Honeywell IQ MultiAccess, all versions prior to and including version 28, contain an improper digital signature verification vulnerability. An attacker could potentially exploit this vulnerability, leading to the replacement of downloaded file with a malicious one. Honeywell also recommends updating to the most recent version of this product, service, or offering [V27 SP1, V28 SP1]

CWE-367TOCTOU Race Condition

How to fix

No published remediation has been found for this vulnerability's affected products yet.

Mitigation guidance may be in the linked vendor advisories in the References section below.

CVSS v4 Vector

Exploitability

Attack VectorLocal

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

Impact

CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:L/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Exploit Intelligence

0.08%probability of exploitation in 30 days

0thpercentile

Low risk: more likely to be exploited than 0% of all known CVEs.

References

Other references1

honeywell.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 2026-06-29.