CVE-2026-65400

An authentication bypass in the screensharingd daemon on macOS allows a network attacker to authenticate to Screen Sharing without valid credentials. The vulnerability stems from a stale success status returned by the SRP (Secure Remote Password) frame-length validator, meaning the connection is ...

CVE-2026-65400

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...

CVE-2026-65400: Improper Authentication

An authentication issue was addressed with improved state management. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.7.9, macOS Sonoma 14.8.9, macOS Tahoe 26.6.1, macOS Tahoe 26.7. An attacker on the network may be able to authenticate to Screen Sharing without valid credentials...

About the security content of macOS Sequoia 15.7.9

This document describes the security content of macOS Sequoia 15.7.9. About Apple security updates For our customers' protection, Apple doesn't disclose, discuss, or confirm security issues until an investigation has occurred and patches or releases are available. Recent releases are listed on th...

PT-2026-68772

Name of the Vulnerable Software and Affected Versions macOS Tahoe versions prior to 26.6.1 macOS Sequoia versions prior to 15.7.9 macOS Sonoma versions prior to 14.8.9 Description An authentication bypass exists in the built-in Screen Sharing functionality, which allows a network attacker to...

About the security content of macOS Sonoma 14.8.9

About the security content of macOS Sonoma 14.8.9 This document describes the security content of macOS Sonoma 14.8.9. About Apple security updates For our customers' protection, Apple doesn't disclose, discuss, or confirm security issues until an investigation has occurred and patches or release...

About the security content of macOS Tahoe 26.6.1

About the security content of macOS Tahoe 26.6.1 This document describes the security content of macOS Tahoe 26.6.1. About Apple security updates For our customers' protection, Apple doesn't disclose, discuss, or confirm security issues until an investigation has occurred and patches or releases...

macOS 15.x < 15.7.9 (148171)

The remote host is running a version of macOS / Mac OS X that is 15.x prior to 15.7.9. It is, therefore, affected by a vulnerability: - An attacker on the network may be able to authenticate to Screen Sharing without valid credentials CVE-2026-65400 Note that Nessus has not tested for this issue...

CVE-2026-55977

Successful exploitation of this vulnerability could allow an attacker with local network access to bypass the application's rate-limiting mechanism, enabling brute-forcing of the screen-sharing code and potentially displaying harmful content on the affected screen...

EUVD-2026-49714

Successful exploitation of this vulnerability could allow an attacker with local network access to bypass the application's rate-limiting mechanism, enabling brute-forcing of the screen-sharing code and potentially displaying harmful content on the affected screen...

CVE-2026-55977 Bypass of application rate-limiting mechanism

Successful exploitation of this vulnerability could allow an attacker with local network access to bypass the application's rate-limiting mechanism, enabling brute-forcing of the screen-sharing code and potentially displaying harmful content on the affected screen...

CVE-2026-55977

Technical details about CVE-2026-55977 are not publicly available in the provided documents; monitor for updates from NVD and CVE sources.

CVE-2026-55977

Successful exploitation of this vulnerability could allow an attacker with local network access to bypass the application's rate-limiting mechanism, enabling brute-forcing of the screen-sharing code and potentially displaying harmful content on the affected screen...

CVE-2026-55977 Bypass of application rate-limiting mechanism

Successful exploitation of this vulnerability could allow an attacker with local network access to bypass the application's rate-limiting mechanism, enabling brute-forcing of the screen-sharing code and potentially displaying harmful content on the affected screen...

PT-2026-65411

Successful exploitation of this vulnerability could allow an attacker with local network access to bypass the application's rate-limiting mechanism, enabling brute-forcing of the screen-sharing code and potentially displaying harmful content on the affected screen...

CVE-2026-55977: Improper Restriction of Excessive Authentication Attempts

Successful exploitation of this vulnerability could allow an attacker with local network access to bypass the application's rate-limiting mechanism, enabling brute-forcing of the screen-sharing code and potentially displaying harmful content on the affected screen...

CVE-2026-43665

This issue was addressed with additional entitlement checks. This issue is fixed in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8. A local attacker may be able to determine the legacy VNC password configured for Screen Sharing...

CVE-2026-43665

This issue was addressed with additional entitlement checks. This issue is fixed in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8. A local attacker may be able to determine the legacy VNC password configured for Screen Sharing...

CVE-2026-43665

This issue was addressed with additional entitlement checks. This issue is fixed in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8. A local attacker may be able to determine the legacy VNC password configured for Screen Sharing...

CVE-2026-43665

A vulnerability in macOS allows a local attacker to determine the legacy VNC password configured for Screen Sharing . This issue was addressed by implementing additional entitlement checks . The flaw is fixed in macOS Sequoia 15.7.8 and macOS Sonoma 14.8.8 . Exploitation details are not provided ...