What is CVE-2026-30783?

CVE-2026-30783 is a critical-severity vulnerability in Apple Iphone OS, classified under CWE-602. CVSS score: 9.8/10. Published 2026-03-05.

How severe is CVE-2026-30783?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Vulnerability in Apple Iphone OS

CVE-2026-30783

A vulnerability in rustdesk-client RustDesk Client rustdesk-client on Windows, MacOS, Linux, iOS, Android, WebClient (Client signaling, API sync loop, config management modules) allows Privilege Abuse. This vulnerability is associated with program files src/rendezvous_mediator.Rs, src/hbbs_http/sync.Rs and program routines API sync loop, api-server config handling. This issue affects RustDesk Client: through 1.4.8.

EPSS: 0.004 (30.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Apple Iphone_os
Apple Macos
Google Android
Linux Linux_kernel
Microsoft Windows
Rustdesk
Rustdesk-client Rustdesk Client — versions 0

Weakness classification (CWE)

References

2fdefc65-d750-4b8d-96ee-6e2c0c42dbfe (x_--config documentation, Product, technical-description)
2fdefc65-d750-4b8d-96ee-6e2c0c42dbfe (Exploit, Third Party Advisory, exploit, third-party-advisory)
2fdefc65-d750-4b8d-96ee-6e2c0c42dbfe (Third Party Advisory, vdb-entry, third-party-advisory)

Frequently asked questions

What is CVE-2026-30783?: CVE-2026-30783 is a critical-severity vulnerability in Apple Iphone OS, classified under CWE-602. CVSS score: 9.8/10. Published 2026-03-05.
How severe is CVE-2026-30783?: Critical severity. CVSS v3 base score is 9.8 out of 10.