EUVD-2026-78147
GHSA-vg4x-9q67-743r
Severity by source
AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:L
Primary rating from Vendor (us) · only source for this CVE.
CVSS VectorVendor: us
Lifecycle Timeline
1DescriptionCVE.org
IBM i 7.6, 7.5, 7.4, and 7.3 could allow a local attacker to obtain ownership of arbitrary file system objects due to a time-of-check to time-of-use (TOCTOU) race condition.
AnalysisAI
A time-of-check to time-of-use (TOCTOU) race condition in IBM i releases 7.3, 7.4, 7.5, and 7.6 lets a local attacker win a race window during a privileged file-ownership operation and end up owning arbitrary file system objects on the system. Successful exploitation yields low-level confidentiality, integrity, and availability impact but crosses a security boundary (CVSS scope change), meaning objects outside the attacker's own authority can be reassigned. …
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