CVE-2026-65400
Last modified
CVE-2026-65400 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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. CISA has confirmed active exploitation in the wild. EPSS estimates a 9.90% chance of exploitation in the next 30 days.
Description
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.
Metrics
Exploitation Status
This vulnerability is listed in CISA’s Known Exploited Vulnerabilities catalog, confirming active exploitation in the wild. Federal agencies must remediate by .
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Apple | Macos | >= 14.0, < 14.8.9 |
| Apple | Macos | >= 15.0, < 15.7.9 |
| Apple | Macos | >= 26.0, < 26.6.1 |
References
- https://support.apple.com/en-us/148170Release Notes, Vendor Advisory
- https://support.apple.com/en-us/148171Release Notes, Vendor Advisory
- https://support.apple.com/en-us/148172Release Notes, Vendor Advisory
- https://support.apple.com/en-us/149035Release Notes, Vendor Advisory
- https://support.apple.com/en-us/149042Release Notes, Vendor Advisory
- https://seclists.org/fulldisclosure/2026/Aug/36Mailing List
- https://advisories.ncsc.nl/2026/ncsc-2026-0280.htmlThird Party Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-65400US Government Resource
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
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