CVE-2026-42616 NTFS-3G - Buffer Overflow

NTFS-3G < 2026.7.7 contains a heap buffer overflow caused by improper handling in cat() function in ntfscat.c, letting attackers corrupt heap memory by reading a crafted malicious NTFS image, exploit requires crafted NTFS image.

CVSS base score 7.8 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
EPSS
0.16% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Buffer Overflow
Impact
Remote Code Execution, Denial Of Service
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Published
7 October 2026
Updated
15 October 2026
Weakness
CWE-787

Vendor fix

Update to version 2026.7.7 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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