CVE-2026-65400

Published Aug 6, 2026·Updated Aug 19, 2026

NVD Description

An authentication issue was addressed with improved state management. This issue is fixed in macOS Sequoia 15.7.9, macOS Sonoma 14.8.9, macOS Tahoe 26.6.1. An attacker on the network may be able to authenticate to Screen Sharing without valid credentials.

Public Exploits & PoCs3 found

PoC: CVE-2026-65400

Apple MacOS Screen Sharing Arbitrary File read/write -> RCE

PoC: CVE-2026-65400-poc

Read-only PoC for CVE-2026-65400 — macOS Screen Sharing (screensharingd) pre-auth SRP bypass giving root file read. Patched in macOS 26.6.1 / 15.7.9 / 14.8.9.

[POC] CVE-2026-65400 — CVE-2026-65400

CVE-2026-65400 - Draft or TODO

Community Discussion

Hacker News

CVE-2026-65400: Apple macOS Screen Sharing authentication bypass

lasagnafan

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N

References

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