Vulnerability · Published Oct 26, 2026 · Assigned by Arm
CVE-2026-115678
Medium 5.3
In plain English
A medium-severity security flaw in MDK-Middleware from Keil. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 36% of all known vulnerabilities).
Severity (CVSS 3.1)5.3Medium
Exploit odds (30 days)0.4%top 64.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Arm Keil MDK-Middleware 8.0.0-8.3.0 may allow pre-authentication out-of-bounds read in SNMP processing
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Keil | MDK-Middleware | 8.0.0 – through 8.3.0 |
Weakness: CWE-195 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L