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.
CSIRTS triage
- What
- A security restriction bypass vulnerability exists in Apple macOS.
- Who is affected
- macOS users running affected versions.
- Urgency
- Urgency depends on exploit status and patch availability; no details provided.
- Action
- Check for and install the latest macOS security update when available.
AI-assisted analysis generated from the source advisory — verify against the original.
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Advisory coverage (2)
- unknownApple macOS Security Restriction Bypass Vulnerabilityhkcert · 2026-08-07
- highCVE-2026-65400: An authentication issue was addressed with improved state management. This issue is fixed in m…nvd · 2026-08-06
External references
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[](https://www.csirts.com/cve/CVE-2026-65400)