CVE Watch5 de out. de 2026

CVE-2026-88779

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

CVSS

7.5

Alta

EPSS

11.4%

p96

KEV

SIM

4 de out. de 2026

Exploit Today

0-100

Publicado: 4 de out. de 2026 · Última mod.: 5 de out. de 2026 · CWE-119

EPSS · 30d

0.6%EPSS · 30 dias11.4%

2026-10-082026-11-05

Ficha do catálogo KEV

Produto

Citrix / NetScaler

Vulnerabilidade

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

Adicionado ao KEV

4 de out. de 2026

Corrigir até

7 de out. de 2026

Uso conhecido em ransomware

Não

Descrição resumida

Citrix NetScaler ADC (formerly Citrix ADC) and Citrix NetScaler Gateway (formerly Citrix Gateway) contain an improper restriction of operations within the bounds of a memory buffer vulnerability that could allow for a denial of service.

Ação necessária

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.

Notas

https://support.citrix.com/support-home/kbsearch/article?articleNumber=CTX697174 ; https://community.citrix.com/techzone-blogs/110_security-updates/understanding-and-addressing-cve-2026-88779-in-citrix-netscaler-adc-and-citrix-netscaler-gateway/ ; BOD 26-04: https://www.cisa.gov/news-events/directives/bod-26-04-prioritizing-security-updates-based-risk ; Forensics Triage Requirements: https://www.cisa.gov/news-events/directives/bod-26-04-implementation-guidance-prioritizing-security-updates-based-risk ; https://nvd.nist.gov/vuln/detail/CVE-2026-88779

Descrição técnica

Vulnerability in NetScaler ADC and NetScaler Gateway. This issue affects ADC: before 14.1-73.41, before 13.1-64.28, before 14.1-73.41 FIPS, and before 13.1-37.282; Gateway: before 14.1-73.41 and before 13.1-64.28.

Referências oficiais

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