Apple · macOS
CVE-2026-65400
Apple macOS Improper Authentication Vulnerability
Qué es
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.
CISA: Apple macOS contains an improper authentication vulnerability that could allow an attacker on the network to authenticate to Screen Sharing without valid credentials.
Qué hacer
Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.
Plazo para las agencias federales de EE. UU.: 21 de agosto de 2026
Más fallos explotados de Apple
| Añadido | Vulnerabilidad | Producto | Gravedad | Prob. de ataque |
|---|---|---|---|---|
| 17 abr 2023 | Use-After-Free | macOS | Alto 7,8 | 0,7% |
| 4 abr 2022 | Out-of-Bounds Read | macOS | Media 5,5 | 1,1% |
| 4 abr 2022 | Out-of-Bounds Write | macOS | Alto 7,8 | 12% |
| 3 nov 2021 | Unspecified | macOS | Media 5,5 | 69% |
| 3 nov 2021 | Unspecified | macOS | Alto 7,8 | 7,0% |
| 29 sept 2026 | Out-of-Bounds Write | Multiple Products | Alto 8,8 | 26% |
| 20 mar 2026 | Buffer Overflow | Multiple Products | Alto 8,8 | 1,7% |
| 20 mar 2026 | Improper Locking | Multiple Products | Alto 7,8 | 0,4% |
Fuentes: Known Exploited Vulnerabilities (CISA, dominio público), CVE records (cve.org) y EPSS (FIRST). La probabilidad de ataque es la estimación EPSS de que alguien intente explotar el fallo en los próximos 30 días.