CVE-2026-3437CWE-119

Improper Restriction of Operations within the Bounds of a Memory Buffer in Portwell Engineering Toolkits

Critical · published March 3, 2026

CVSS v4.0
9.3
EPSS
0%
Percentile
7.8
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
9.3 · CRITICAL
Vector
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
EPSS
0.00186 · 7.8th percentile
Weakness
CWE-119 · Improper Restriction of Operations within the Bounds of a Memory Buffer
Published
2026-03-03T17:44Z
EPSS history
Timeline
  • 03 MAR 17:44Z
    Improper Restriction of Operations within the Bounds of a Memory Buffer in Portwell Engineering Toolkits
    cvelistv5