CVE-2026-65400
CVSS Score
9.8
EPSS Score
0.0%
EPSS Percentile
0th
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.
| Vendor | apple |
| Product | macos |
| Ecosystems | |
| Industries | Technology |
| Published | Aug 6, 2026 |
| Last Updated | Sep 14, 2026 |
⚠️ Actively Exploited — Act Now
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Affected Versions
Apple / macOS
0 < 14.8.9 0 < 15.7.9 0 < 26.6.1 0 < 26.7 0 < 27
References
support.apple.com: https://support.apple.com/en-us/148170 support.apple.com: https://support.apple.com/en-us/148171 support.apple.com: https://support.apple.com/en-us/148172 support.apple.com: https://support.apple.com/en-us/149035 support.apple.com: https://support.apple.com/en-us/149042 advisories.ncsc.nl: https://advisories.ncsc.nl/2026/ncsc-2026-0280.html cisa.gov: https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-65400 seclists.org: http://seclists.org/fulldisclosure/2026/Aug/36 seclists.org: http://seclists.org/fulldisclosure/2026/Aug/37