CVE-2026-46570: In NTFS-3G before 2026.7.7, a heap buffer overflow exists in ntfs_index_walk_down() in libntfs-3g/index.c that allows an attacker to corrupt heap memory in the SUID-root ntfs-3g binary by crafting a malicious NTFS image. The overflow is triggered by reading the special crafted file metadata.

Overview

Severity

High (CVSS 8.1)

CVSS Vector

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

Exploit Status

Not Exploited

Patch Tuesday

2026-Oct

Released

2026-10-10

EPSS Score

0.15% (percentile: 3.6%)

Affected Products (1)

Other

• 0-17084

Revision History

• 2026-10-10: Information published.