Vulnerability · Published Oct 26, 2026 · Assigned by Arm
CVE-2026-115680
Medium 6.5
In plain English
A medium-severity out-of-bounds read 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 0.3% (higher than 28% of all known vulnerabilities).
Severity (CVSS 3.1)6.5Medium
Exploit odds (30 days)0.3%top 71.9% 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 DHCPv6 Option-Walk Over-Reads and Unintended Data Retransmission
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Keil | MDK-Middleware | 8.0.0 – through 8.3.0 |
Weakness: CWE-125 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L