CVE-2026-65400: Apple macOS
Apple macOS contains an improper authentication vulnerability that could allow an attacker on the network to authenticate to Screen Sharing without valid credentials.
- Vendor
- Apple
- Product
- macOS
- Vulnerability
- Apple macOS Improper Authentication Vulnerability
- Date added
- Aug 18, 2026
- CISA due date (U.S. federal agencies)
- Aug 21, 2026
- Known ransomware campaign use
- Unknown
- Weakness (CWE)
- CWE-287
References
- NVD — CVE-2026-65400
- support.apple.com
- support.apple.com
- support.apple.com
- www.cisa.gov
- www.cisa.gov
- nvd.nist.gov
This site summarizes CISA's catalog for information only. It is not security advice — follow your vendor's guidance and official advisories.
Last updated: · Catalog version 2026.10.02