LIVE · cybersecurity feed
Live wire
CVE-2026-81578 · PaperCut NG/MF Flaw Exploited Before CVE PublicationCVE-2026-82078 · PaperCut NG/MF Flaw Exploited Before CVE PublicationCVE-2026-83549 · SonicWall SMA1000 OS Command Injection Exploited Same Day as DisclosureOpenAI Announced $1B in Defensive Tools for Water UtilitiesAttackers Breached JetBrains Cadence via Unpatched TeamCity, Extracting AWS CredentialsCVE-2026-59346 · Critical VMware Workstation and Fusion Flaw Lets VM Admins Execute Host CodeCVE-2026-32475 · Elementor Pro WordPress Plugin Vulnerability Exploited to Hack SitesBroadcom Patches Critical VMware Workstation and Fusion VM-Escape VulnerabilitiesHackers Leak Millions of Airport Passenger Records After Ransom RefusalUsing a VM to Contain an AI Agent
cve recordhigh

CVE-2026-64138

linux · linux kernel

Published
CVSS8.8
Severityhigh
WeaknessNVD-CWE-noinfo
ExploitedNot in CISA KEV

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Description

In the Linux kernel, the following vulnerability has been resolved: ksmbd: validate SID in parent security descriptor during ACL inheritance Introduce smb_validate_ntsd_sid() helper to safely validate Owner SID and Group SID inside the NT Security Descriptor (smb_ntsd) retrieved from the parent directory.

References

← Back to the CVE Tracker

Our coverage of CVE-2026-64138

No stories yet. This page updates automatically when we publish reporting that references CVE-2026-64138.