CVE-2026-46569
HIGH
7.7
CVSS Score
Published: October 7, 2026 at 12:00 AM UTC
Updated: October 9, 2026 at 02:17 PM UTC
1 product affected across 1 vendorNTFS-3G
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Severity
HIGH7.7
Exploit prediction
EPSS 0.2%
SSVC
No known exploit
Description
In NTFS-3G before 2026.7.7, a heap buffer overflow exists in ntfs_ib_copy_tail(), 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 extending a directory, e.g., by creating a file.
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (2)
PatchVendor Advisory
Source: cverecord
https://github.com/tuxera/ntfs-3g/security/advisories/GHSA-xxv8-9r24-hcj9SSVC — Action Prioritization
SSVCNo known exploitNot automatablePartial impact
SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.
CVSS
7.7HIGHCISA-ADP
- Attack Vector
- LOCAL
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- HIGH
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-787CWE-122
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