CVE-2026-46571: ntfs-3g · Out-of-bounds Read
Affects ntfs-3gSource CVE Database V5
Not known to be exploited · CVSS 5.5 Medium : upgrade to 2026.7.7 when convenient.
Data as of 26 Oct 2026, 14:05 UTC
- EPSS
- 0.1% chance of exploitation in 30 days – higher than 2% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in 2026.7.7
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:NExploitation evidence
Disclosed: evidence found.
CVE published 7 Oct 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
Upgrade tuxera/ntfs-3g to 2026.7.7.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
GitHubtuxera/ntfs-3gpkg:github/tuxera/ntfs-3gOther threats | Affected
| Fixed in
|
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
AI-suggested
A fix is available in NTFS-3G version 2026.7.7 and later. Users and administrators should upgrade to version 2026.7.7 or newer to remediate this vulnerability. No other mitigation or workaround information is provided. Since this is not a cloud service, remediation depends on applying the official patch.
Description
An out-of-bounds read vulnerability exists in NTFS-3G versions before 2026.7.7 in the ntfs_fix_file_name() function. This flaw can be triggered by performing a readlink operation on a specially crafted corrupted NTFS file, potentially allowing an attacker with local privileges to read sensitive information from the process memory of ntfs-3g. The vulnerability has a medium severity rating with a CVSS score of 5.5.