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CVE-2026-65400· apple / macos· CWE-287

Apple macOS Improper Authentication Vulnerability

Exploited in the wild. Listed by CISA on 2026-08-18; known to be used by ransomware.

18.1%likelihood of exploitation, next 30 days
97%of all CVEs are less likely
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Apple macOS contains an improper authentication vulnerability that could allow an attacker on the network to authenticate to Screen Sharing without valid credentials.

No ready check is stored for this CVE. Confirm it by hand from the references.

References

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