Executive brief
macOS Screen Sharing is a remote access feature that allows users to view and control other computers on the network. This vulnerability allows an attacker on the local network to connect to Screen Sharing services without providing valid credentials, potentially gaining unauthorized access to affected systems and their data.
Technical details
This vulnerability is an authentication bypass in Apple macOS Screen Sharing, a remote desktop protocol service. The flaw allows an attacker positioned on the network to establish connections to affected Screen Sharing services without providing or validating credentials. An attacker with network access to an affected macOS system running Screen Sharing can gain unauthorized remote access, potentially enabling data theft, system compromise, or lateral movement within a network. The vulnerability has been exploited in the wild, indicating active threat actor interest. Patch availability and affected macOS versions were not detailed in the provided advisory excerpt.
Affected products
- Apple macOS
Timeline
- 2026-08-18: disclosed
- 2026-08-18: exploited