Medium severity · published Oct 7, 2026
CVE-2026-46571
In NTFS-3G before 2026.7.7, a out-of-bounds read exists in ntfs_fix_file_name() in libntfs-3g/reparse.c that allows an attacker to read possibly confidential information in…
5.5
CVSS
0.1%
EPSS
No
On KEV
Description
In NTFS-3G before 2026.7.7, a out-of-bounds read exists in ntfs_fix_file_name() in libntfs-3g/reparse.c that allows an attacker to read possibly confidential information in ntfs-3g process memory by crafting a malicious NTFS image. The out-of-bounds read is triggered by a readlink on a corrupted file.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.1% · higher than 3% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
NT
Ntfs-3g · Tuxera
before 2026.7.7 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-46571
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-46571
github.com
https://github.com/tuxera/ntfs-3g/releases#release-2026.7.7
github.com
https://github.com/tuxera/ntfs-3g/security/advisories/GHSA-52gr-j4pv-9pjh
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