CVE-2026-2637 Missing authorization in iBoysoft NTFS
Local attackers can escalate privileges to root via the unauthenticated privileged helper daemon in iBoysoft NTFS for Mac.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-2637?
CVE-2026-2637 is a high-severity missing authorization vulnerability in iBoysoft NTFS, published on 3 Mar 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official 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.
Weakness: CWE-732
Which versions are affected by CVE-2026-2637?
It affects 1 product.
Products include Iboysoft Ntfs for Mac.
How do I fix CVE-2026-2637?
No fix has been published for CVE-2026-2637 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-2637 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-2637 exists.
Sources
Also known as GHSA-85jh-jp4r-37r3.