8.5
HIGH CVSS 4.0
CVE-2026-2637
iBoysoft NTFS Local Privilege Escalation
Description

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.

INFO

Published Date :

March 3, 2026, 3:16 p.m.

Last Modified :

March 3, 2026, 3:16 p.m.

Remotely Exploit :

No
Affected Products

The following products are affected by CVE-2026-2637 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

No affected product recoded yet

CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 4.0 HIGH 84fe0718-d6bb-4716-a7e8-81a6d1daa869
CVSS 4.0 HIGH [email protected]
Solution
Update iBoysoft NTFS for Mac to a version that addresses the privilege escalation vulnerability in ntfshelperd.
  • Update iBoysoft NTFS for Mac to the latest version.
  • Remove or disable the vulnerable ntfshelperd service.
  • Apply vendor patches when available.
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2026-2637.

URL Resource
https://fluidattacks.com/advisories/cuarteto
https://iboysoft.com/ntfs-for-mac/
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-2637 is associated with the following CWEs:

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-2637 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2026-2637 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • New CVE Received by [email protected]

    Mar. 03, 2026

    Action Type Old Value New Value
    Added Description 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.
    Added CVSS V4.0 AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
    Added CWE CWE-732
    Added Reference https://fluidattacks.com/advisories/cuarteto
    Added Reference https://iboysoft.com/ntfs-for-mac/
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Vulnerability Scoring Details
Base CVSS Score: 8.5
Attack Vector
Attack Complexity
Attack Requirements
Privileges Required
User Interaction
VS Confidentiality
VS Integrity
VS Availability
SS Confidentiality
SS Integrity
SS Availability