High 8.5Published Mar 3, 2026

CVE-2026-2637iBoysoft NTFS for Mac contains a local privilege escalation vulnerability in its privileged helper daemon ntfshelperd.

Updated under an hour ago (Oct 27, 2026, 12:10 AM ET)

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It affects iBoysoft NTFS and 1 other product. Add what you run to find out whether that includes you.

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Every CVE for iBoysoft NTFS

Exploited in the last 30 days

iBoysoft NTFS for Mac contains a local privilege escalation vulnerability in its privileged helper daemon ntfshelperd. The daemon exposes an NSConnection service that runs as root without implementing any authentication or authorization checks. This issue affects iBoysoft NTFS: 8.0.0.

CVSS: 8.5 HIGH (v4.0, CNA)CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Weakness (CWE): CWE-732
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Fluid Attacks
NVD analysis: Analyzed
Record last updated: Mar 3, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

iBoysoft iBoysoft NTFS iboysoft:ntfs (from the name)	8.0.0	CNA record
iboysoft ntfs_for_mac iboysoft:ntfs_for_mac	8.0	NVD

References

References

https://fluidattacks.com/advisories/cuarteto	third-party-advisory, exploit
https://iboysoft.com/ntfs-for-mac/	product

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.