EXECUTIVE SUMMARY:
CVE-2026-65400 with a CVSS score of 7.1 is a vulnerability in the macOS operating system, specifically affecting Screen Sharing on various versions of macOS, including macOS Sonoma, macOS Sequoia, and macOS Tahoe, which allows an attacker on the network to authenticate to Screen Sharing without valid credentials due to an authentication issue that can be exploited by an attacker with network access, resulting in the capability to access and control the affected system, potentially leading to significant business impact and consequences, including unauthorized data access and system compromise, if the attacker is able to successfully exploit the vulnerability, which requires network access and can be achieved through a network-based attack vector, and it is worth noting that this vulnerability can only be exploited under certain conditions, including the presence of an attacker on the network and the lack of proper authentication mechanisms.[/subscribe_to_unlock_form]
EXECUTIVE SUMMARY:
CVE-2026-65400 with a CVSS score of 7.1 is a vulnerability in the macOS operating system, specifically affecting Screen Sharing on various versions of macOS, including macOS Sonoma, macOS Sequoia, and macOS Tahoe, which allows an attacker on the network to authenticate to Screen Sharing without valid credentials due to an authentication issue that can be exploited by an attacker with network access, resulting in the capability to access and control the affected system, potentially leading to significant business impact and consequences, including unauthorized data access and system compromise, if the attacker is able to successfully exploit the vulnerability, which requires network access and can be achieved through a network-based attack vector, and it is worth noting that this vulnerability can only be exploited under certain conditions, including the presence of an attacker on the network and the lack of proper authentication mechanisms.[emaillocker id="1283"]
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REFERENCES:
The following reports contain further technical details:
https://support.apple.com/en-us/148172
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