by Kastro
Paper/Archive/CVE-2026-8452

CVE-2026-8452

NetScaler ADC — Memory overflow vulnerability leading to unpredictable or erroneous behavior and Denial of Service

KEV · due 29 AugEPSS 1%public exploitSSVC actCVSS 9.8
critical.is priorityof 100
92
CVSS 9.8 (NVD)9.8 / 10 × 3029.4In CISA KEV+3030.0EPSS percentile 63.2.632 × 2012.6Exploit: SSVC active+1010.0SSVC exploitation: active+1010.0
Description · from the CVE record

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

Affected

ProductAffectedFixed inSource
ADC14.1 – < 72.6172.61CNA
ADC13.1 – < 63.1863.18CNA
ADC14.1 FIPS – < 72.6172.61CNA
ADC13.1 FIPS and NDcPP – < 37.27237.272CNA
Gateway14.1 – < 72.6172.61CNA
Gateway13.1 – < 63.1863.18CNA

Scores by source

NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NetScaler (CNA)8.8CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:H/SC:L/SI:L/SA:L
CISA ADPSSVCExploitation: active · Automatable: yes · Technical impact: partial

References

refsupport.citrix.com/support-home/kbsearch/article?articleNumber=CTX696604refcisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-8452kevcisa.gov/known-exploited-vulnerabilities-catalog