CVE-1999-1076: Idle locking function in MacOS 9 allows local users to bypass the password protection of idled sessions by selecting the

UNKNOWN

Published n/a Updated 2026-08-21T04:30:49.888Z

Summary

Idle locking function in MacOS 9 allows local users to bypass the password protection of idled sessions by selecting the "Log Out" option and selecting a "Cancel" option in the dialog box for an application that attempts to verify that the user wants to log out, which returns the attacker into the locked session.

Why It Matters

UNKNOWN severity with CVSS n/a.

Risks left unpatched can lead to remote code execution, data exposure or lateral movement — verify exposure against the affected software below.

Current Status

  • Vulnerability status: Not listed in CISA KEV
  • Last intelligence update: 2026-08-21 · source: NVD

Entity Activity Timeline

  1. 2026-08-21 — Intelligence record updated(NVD sync)

No recorded activity beyond NVD publication and sync updates.

Severity

UNKNOWN

Source Attribution

Source: NVD · Updated: 2026-08-21T04:30:49.888Z · Confidence: high

Impact

Based on CVSS vector: n/a — assess confidentiality, integrity, and availability impact via the official vector documentation.

Affected Software

Fix

Upgrade affected software to the fixed version identified above. Apply vendor patches and monitor advisories before exposed systems go unpatched.

Sources & Evidence

4 reference(s) · attribution: NVD

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