CVE-2026-43665
Received Received - Intake

Legacy VNC Password Disclosure in macOS Screen Sharing

Publication date: 2026-07-27

Last updated on: 2026-07-27

Assigner: Apple Inc.

Description
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.

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Meta Information

Published
2026-07-27
Last Modified
2026-07-27
Generated
2026-07-28
AI Q&A
2026-07-28
EPSS Evaluated
N/A
NVD
CVE-2026-43665
EUVD
EUVD-2026-49449

Affected Vendors & Products

Showing 2 associated CPEs
Vendor Product Version / Range
apple macos_sequoia 15.7.8
apple macos_sonoma 14.8.8

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-UNKNOWN

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Executive Summary

This vulnerability involves a local attacker being able to determine the legacy VNC password used for Screen Sharing on macOS systems. It was addressed by adding additional entitlement checks in updated versions of macOS Sequoia and Sonoma.

Impact Analysis

An attacker could exploit this to gain unauthorized access to your Screen Sharing service, potentially allowing them to view or control your system remotely if the legacy VNC password is weak or reused.

Mitigation Strategies

Update to the latest version of macOS Sequoia 15.7.8 or macOS Sonoma 14.8.8 to address the issue. Disable Screen Sharing if not needed or ensure the legacy VNC password is not used.

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