THREAT OPS › Threat News › [NVD] CVE-2026-65400 (CRITICAL 9.8) — 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 val
[NVD] CVE-2026-65400 (CRITICAL 9.8) — 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 val
CVE-2026-65400 CVSS: 9.8 CRITICAL Published: 2026-08-06T22:18:14.533
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.
MITRE ATT&CK techniques
- CredentialsT1589.001
Indicators of compromise
- CVE-2026-65400cve
Original source: https://nvd.nist.gov/vuln/detail/CVE-2026-65400