CVE-2026-65400: apple macos

csirt@kutim:~/threat-intel/cve/CVE-2026-65400

CVSS 9.8 · Critical KEV · sudah dieksploitasi EPSS 1,7%

Kerentanan Improper Authentication pada apple macos. Skor CVSS 3.1 9.8 (Critical) menurut CISA ADP. Masuk katalog KEV CISA pada 18 Agustus 2026, artinya sudah terbukti dieksploitasi.

Deskripsi (NVD)

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.

Advisory KUTIM-CSIRT

Peringatan Keamanan: Rekapitulasi Kerentanan yang Dieksploitasi Aktif (KEV CISA) Periode 15 Agustus sampai 30 September 2026 30 Sep 2026

Rincian

Terbit di NVD: 6 Agustus 2026
Terakhir diubah: 15 September 2026
Status NVD: Analyzed
CVSS 3.1: 9.8 (Critical), sumber CISA ADP
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H · uraikan di kalkulator
Jenis kelemahan (CWE): CWE-287: Improper Authentication
EPSS (30 hari): 1,7% peluang dieksploitasi; lebih tinggi dari 76,9% CVE lain

Known Exploited Vulnerabilities (CISA)

Nama: Apple macOS Improper Authentication Vulnerability
Masuk KEV: 18 Agustus 2026
Tenggat CISA: 21 Agustus 2026 (untuk instansi federal AS)
Ransomware: Belum tercatat
Tindakan wajib: 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.

Produk dan versi terdampak

Vendor	Produk	Versi terdampak
apple	macos	Versi 14.0 hingga sebelum 14.8.9
apple	macos	Versi 15.0 hingga sebelum 15.7.9
apple	macos	Versi 26.0 hingga sebelum 26.6.1

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

https://support.apple.com/en-us/148170 release notes · advisory vendor
https://support.apple.com/en-us/148171 release notes · advisory vendor
https://support.apple.com/en-us/148172 release notes · advisory vendor
https://support.apple.com/en-us/149035 release notes · advisory vendor
https://support.apple.com/en-us/149042 release notes · advisory vendor
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-65400 pemerintah AS
https://advisories.ncsc.nl/2026/ncsc-2026-0280.html advisory pihak ketiga
http://seclists.org/fulldisclosure/2026/Aug/36 mailing list
http://seclists.org/fulldisclosure/2026/Aug/37 broken link

Sumber: NVD · CVE.org · KEV CISA · EPSS. Halaman ini disusun otomatis dari data tersebut; pembaruan terakhir 5 Okt 2026, 20:11 WITA. Kalau sistem di Perangkat Daerah memakai produk ini dan butuh bantuan, laporkan lewat kanal pelaporan.