High 8.8Published Jun 30, 2026

CVE-2026-8655Multiple Memory overflow vulnerabilities leading to unpredictable or erroneous behavior and Denial of Service

Updated under an hour ago (Oct 26, 2026, 4:40 PM ET)

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It affects NetScaler ADC and 3 other products. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for NetScaler ADC

Exploited in the last 30 days

Multiple Memory overflow vulnerabilities in NetScaler ADC and NetScaler Gateway leading to unpredictable or erroneous behavior and Denial of Service if NetScaler ADC is configured as an LB of type Oracle OR NetScaler ADC is configured as a DNS Proxy OR NetScaler ADC is configured as a DNS recursive resolver deployment

CVSS: 8.8 HIGH (v4.0, CNA)CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/SA:L
Weakness (CWE): CWE-119
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: NetScaler
NVD analysis: Analyzed
Record last updated: Jun 30, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

NetScaler ADC netscaler:adc (from the name)	from 14.1 before 72.61; from 13.1 before 63.18; from 14.1 FIPS before 72.61; from 13.1 FIPS and NDcPP before 37.272	CNA record
NetScaler Gateway netscaler:gateway (from the name)	from 14.1 before 72.61; from 13.1 before 63.18	CNA record
citrix netscaler_application_delivery_controller citrix:netscaler_application_delivery_controller	before 13.1-37.272; before 13.1-37.272; from 13.1 before 13.1-63.18; from 14.1 before 14.1-72.61; 14.1-66.68	NVD
citrix netscaler_gateway citrix:netscaler_gateway	from 13.1 before 13.1-63.18; from 14.1 before 14.1-72.61	NVD

References

References

https://support.citrix.com/support-home/kbsearch/article?articleNumber=CTX696604	vendor-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.