CVE-2026-65400: apple macos

CVSS 9.8 (critical) · listed as exploited by CISA since 2026-08-18 · published 2026-08-06

An authentication issue was addressed with improved state management. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.7.9, macOS Sonoma 14.8.9, macOS Tahoe 26.6.1, macOS Tahoe 26.7. An attacker on the network may be able to authenticate to Screen Sharing without valid credentials.

Affected products (NVD): apple macos

Fixed in (NVD): 14.8.9, 15.7.9, 26.6.1

Weakness: CWE-287

Source: NVD CVE-2026-65400

References

• https://support.apple.com/en-us/148170
• https://support.apple.com/en-us/148171
• https://support.apple.com/en-us/148172
• https://support.apple.com/en-us/149035
• https://support.apple.com/en-us/149042
• http://seclists.org/fulldisclosure/2026/Aug/36
• http://seclists.org/fulldisclosure/2026/Aug/37
• https://advisories.ncsc.nl/2026/ncsc-2026-0280.html
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-65400

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