What is CVE-2026-46570?

CVE-2026-46570 is a high-severity vulnerability in N/a, classified under Heap-based Buffer Overflow. CVSS score: 8.1/10. Published 2026-10-07.

How severe is CVE-2026-46570?

High severity. CVSS v3 base score is 8.1 out of 10.

Buffer overflow in N/a

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.

Vulnerability class: Buffer Overflow

Published 2026-10-07 · last modified 2026-10-07.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Weakness classification (CWE)

CWE-122 — Heap-based Buffer Overflow

References

Frequently asked questions

What is CVE-2026-46570?: CVE-2026-46570 is a high-severity vulnerability in N/a, classified under Heap-based Buffer Overflow. CVSS score: 8.1/10. Published 2026-10-07.
How severe is CVE-2026-46570?: High severity. CVSS v3 base score is 8.1 out of 10.