VULNERABILITY INTELLIGENCE
CVE-2026-19783
CVSS score6.7 MEDIUM
EPSS probability0.16%
CISA KEVNot currently listed
Published2026-08-20
Last modified2026-10-26
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Description
IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a local attacker to cause kernel memory corruption due to insufficient validation. A crafted filesystem image can trigger an out-of-bounds kernel-stack write during directory reads, causing a system crash or potentially enabling privilege escalation.
Weakness classification
- CWE-787: Out-of-bounds Write
Primary references
- psirt@us.ibm.com — Patch, Vendor Advisory