Vulnerability · Published Jun 29, 2026 · Assigned by Honeywell

CVE-2026-13742Lack of signature verification before execution of downloaded content

Medium 5.9

In plain English

A medium-severity security flaw in IQ MultiAccess from Honeywell Technologies. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 2% of all known vulnerabilities).

Severity (CVSS 4.0)5.9Medium
Exploit odds (30 days)0.1%top 98.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official 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]

Affected products (as reported)

VendorProductVersions
Honeywell Technologies IQ MultiAccess IQ.v27 – through 28

Weakness: CWE-367 · Vector: 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

References