Vulnerability · Published Mar 3, 2026 · Assigned by icscert
CVE-2026-3437Improper Restriction of Operations within the Bounds of a Memory Buffer in Portwell Engineering Toolkits
High 8.8
In plain English
A high-severity memory corruption in Portwell Engineering Toolkits from Portwell. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 7% of all known vulnerabilities).
Official description
An improper restriction of operations within the bounds of a memory buffer vulnerability in Portwell Engineering Toolkits version 4.8.2 could allow a local authenticated attacker to read and write to arbitrary memory via the Portwell Engineering Toolkits driver. Successful exploitation of this vulnerability could result in escalation of privileges or cause a denial-of-service condition.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Portwell | Portwell Engineering Toolkits | 0 – through 4.8.2 |
Weakness: CWE-119 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H