CVE-2026-8452

Katalog CVE

CVSS 9.8 · Critical KEV · sudah dieksploitasi EPSS 1,0%

Kerentanan Improper Restriction of Operations within the Bounds of a Memory Buffer pada citrix netscaler application delivery controller, citrix netscaler gateway. Skor CVSS 3.1 9.8 (Critical) menurut NVD. Masuk katalog KEV CISA pada 26 Agustus 2026, artinya sudah terbukti dieksploitasi.

Deskripsi (NVD)

Memory overflow vulnerability NetScaler ADC and NetScaler Gateway leading to unpredictable or erroneous behavior and Denial of Service if the appliance is configured as a Gateway (SSL VPN, ICA Proxy, CVPN, RDP Proxy) or AAA virtual server

Advisory KUTIM-CSIRT

• Peringatan Keamanan: Tiga Kerentanan Kritis NetScaler ADC dan Gateway Dieksploitasi Aktif 28 Sep 2026
• Edge Device Kian Jadi Sasaran: Catatan dari Gelombang Kerentanan Agustus 2026 28 Agt 2026
• Peringatan Keamanan: Kerentanan Kritis CVE-2026-8452 pada Citrix NetScaler ADC dan Gateway 27 Agt 2026

Rincian

Terbit di NVD

30 Juni 2026

Terakhir diubah

27 Agustus 2026

Status NVD

Analyzed

CVSS 3.1

9.8 (Critical), sumber NVD
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-119: Improper Restriction of Operations within the Bounds of a Memory Buffer

EPSS (30 hari)

1,0% peluang dieksploitasi; lebih tinggi dari 62,2% CVE lain

Known Exploited Vulnerabilities (CISA)

Nama

Citrix NetScaler ADC and NetScaler Gateway Improper Restriction of Operations within the Bounds of a Memory Buffer Vulnerability

Masuk KEV

26 Agustus 2026

Tenggat CISA

29 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

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://support.citrix.com/support-home/kbsearch/article?articleNumber=CTX696604 advisory vendor
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-8452 pemerintah AS