Vulnerability · Published Aug 14, 2026 · Assigned by Nozomi

CVE-2026-13196Out-of-bounds Write in KUNBUS piControl

High 7.3

In plain English

A high-severity out-of-bounds write in piControl from KUNBUS. 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 4% of all known vulnerabilities).

Severity (CVSS 4.0)7.3High

Exploit odds (30 days)0.1%top 96.5% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

Nozomi Networks Labs identified a CWE-787: Out-of-bounds Write vulnerability in the process-image management functionality of KUNBUS piControl in version 2.6.2 that allows a local authenticated attacker with device configuration access to write attacker-controlled data outside the bounds of the process-image buffer and corrupt adjacent kernel memory, resulting in kernel memory corruption and denial of service, by supplying crafted device configuration data and crafted input through the piControl character device.

Affected products (as reported)

Vendor	Product	Versions
KUNBUS	piControl	0 – through 2.6.2

Weakness: CWE-787 · Vector: CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

References

https://www.nozominetworks.com/labs/vulnerability-advisories-cve-2026-13196 third-party-advisory