Vulnerabilities / CVE-2026-88777

CVE-2026-88777

Published 2026-09-27 · published (not yet in NVD)

CVE-2026-88777

Memory overflow vulnerability leading to unpredictable or erroneous behavior or Denial of Service

8.8 HIGH
CVSS 4.0 · CNA

0.7%
chance of exploitation in the next 30 days (EPSS; higher than 53% of CVEs)

Memory overflow vulnerability vulnerability in Citrix NetScaler ADC and Citrix NetScaler Gateway. This issue affects ADC: before 14.1-73.37, before 13.1-64.23, before 14.1-73.37 FIPS, and before 13.1.37.279 FIPS and NDcPP; Gateway: before 14.1-73.37 and before 13.1-64.23 leading to unpredictable or erroneous behavior or Denial of Service

Scores

8.8CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/SA:NCNA

Affected products

Citrix NetScaler ADC: < 14.1-73.37; < 13.1-64.23; < 14.1-73.37 FIPS; < 13.1.37.279 FIPS and NDcPP
Citrix NetScaler Gateway: < 14.1-73.37; < 13.1-64.23

1 references (advisories, patches, write-ups)

https://support.citrix.com/support-home/kbsearch/article?articleNumber=CTX697096&articleTitle=Citrix_NetScaler_ADC_and_Citrix_NetScaler_Gateway_Security_Bulletin_for_CVE_2026_88771_CVE_2026_88772_CVE_2026_88773_CVE_2026_88774_CVE_2026_88775_CVE_2026_88776_CVE_2026_88777_and_CVE_2026_88778

Sources: CVE.org, FIRST EPSS. Missing ones did not answer or have no record yet.

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