Apple Patches Critical macOS Vulnerability CVE-2026-65400 Rated 7.1/10

Apple released a patch last week for the macOS vulnerability CVE-2026-65400, which has a severity rating of 7.1 out of 10. The Netherlands National Cyber Security Centrum (NCSC) reported that active exploitation of this vulnerability was observed on systems with port 5900 accessible from the Internet. Apple stated that this vulnerability 'may allow an attacker without credentials to gain access to a Mac.' This incident follows the disclosure of the vulnerability at the Black Hat conference last week.

In related news, Apple is set to enter the smart-home market with a product announcement scheduled for October 13. The new smart home hub will feature a display approximately 6 inches square. This follows the debut of the HomePod mini in 2020 and the last release of a TV set-top box in 2022. Currently, there are around 300,000 apps compatible with Siri, showcasing the ecosystem Apple has built around its products.

Security firm Bynario was instrumental in reporting the macOS vulnerability, which highlights ongoing concerns regarding device security in the face of increasing cyber threats. The TCC subsystem, as explained by Apple, aims to protect users from malware accessing their systems. The implications of this patch are critical for developers relying on macOS for application deployment, as it addresses a significant security risk that could be exploited by malicious actors.