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MacRumors
One of last weeks patched vulnerabilities explained
Apple has released a patch for a critical vulnerability tracked as CVE-2026-65400, which affects macOS Tahoe, Sequoia, and Sonoma. This vulnerability, rated at 7.1 for severity, allows attackers to gain unauthorized remote access to Mac screens and control devices, exploiting a flaw in the screen sharing function. Users are urged to update immediately to protect against active exploits.
Act nowConfidence: HighImmediate horizonCybersecurity risk: High
Published 14 Aug 2026, 18:45 UTC1 min read
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Summary
TL;DR
- CVE-2026-65400 affects multiple MacOS versions.
- Severity rating of the vulnerability is 7.1 out of 10.
- Remote parties could control keyboard and mouse.
- Vulnerability attributed to flaws in state management.
- Patch was issued last week by Apple.
Interesting facts
- The vulnerability is currently under active exploitation.
- This vulnerability highlights ongoing security challenges in screen sharing technologies.
Coverage gaps
- Details on users affected by the active exploitation.