Cyber Resilience

CVE-2026-46150

HighUpdated

Published: 28 May 2026

Published
28 May 2026
Modified
09 June 2026
KEV Added
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Patch
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CVSS Score v3.1 7.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
EPSS Score 0.0014 3.9th percentile
Risk Priority 14 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2026-46150 is a high-severity an unspecified weakness vulnerability in Linux Linux Kernel. Its CVSS base score is 7.1 (High).

Operationally, exploitation aligns with the MITRE ATT&CK technique Exploitation for Privilege Escalation (T1068); ranked at the 3.9th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

In the Linux kernel, the following vulnerability has been resolved: fanotify: fix false positive on permission events fsnotify_get_mark_safe() may return false for a mark on an unrelated group, which results in bypassing the permission check. Fix by skipping over detached…

more

marks that are not in the current group.

CWE(s)
NVD-CWE-noinfo

Related Threats

MITRE ATT&CK Enterprise TechniquesAI

T1068 Exploitation for Privilege Escalation Privilege Escalation
Adversaries may exploit software vulnerabilities in an attempt to elevate privileges.
attack.mitre.org →
Why these techniques?

Kernel fanotify permission event bypass directly enables local privilege escalation via access control evasion.

Confidence: HIGH · MITRE ATT&CK Enterprise v18.1

Affected Assets

linux
linux kernel
7.1 · 4.12 — 5.10.258 · 5.11 — 5.15.209 · 5.16 — 6.1.175

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References