{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-88779", "assignerOrgId": "50a63c94-1ea7-4568-8c11-eb79e7c5a2b5", "state": "PUBLISHED", "assignerShortName": "NetScaler", "dateReserved": "2026-09-10T07:14:57.370Z", "datePublished": "2026-10-04T02:35:35.525Z", "dateUpdated": "2026-10-05T03:55:38.096Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "50a63c94-1ea7-4568-8c11-eb79e7c5a2b5", "shortName": "NetScaler", "dateUpdated": "2026-10-04T02:35:35.525Z" }, "title": "Memory overflow vulnerability leading to Denial of Service", "datePublic": "2026-10-04T02:19:00.000Z", "affected": [ { "vendor": "NetScaler", "product": "ADC", "versions": [ { "status": "affected", "version": "0", "lessThan": "14.1-73.41", "versionType": "Patch" }, { "status": "affected", "version": "0", "lessThan": "13.1-64.28", "versionType": "Patch" }, { "status": "affected", "version": "0", "lessThan": "14.1-73.41 FIPS", "versionType": "Patch" }, { "status": "affected", "version": "0", "lessThan": "13.1-37.282", "versionType": "Patch" } ], "defaultStatus": "unaffected" }, { "vendor": "NetScaler", "product": "Gateway", "versions": [ { "status": "affected", "version": "0", "lessThan": "14.1-73.41", "versionType": "Patch" }, { "status": "affected", "version": "0", "lessThan": "13.1-64.28", "versionType": "Patch" } ], "defaultStatus": "unaffected" } ], "descriptions": [ { "lang": "en", "value": "Vulnerability in NetScaler ADC and NetScaler Gateway.\n\nThis 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.", "supportingMedia": [ { "type": "text/html", "base64": false, "value": "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.
" } ] } ], "references": [ { "url": "https://support.citrix.com/support-home/kbsearch/article?articleNumber=CTX697174" } ], "metrics": [ { "format": "CVSS", "scenarios": [ { "lang": "en", "value": "GENERAL" } ], "cvssV4_0": { "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "NONE", "subConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "subIntegrityImpact": "NONE", "vulnAvailabilityImpact": "HIGH", "subAvailabilityImpact": "NONE", "exploitMaturity": "NOT_DEFINED", "Safety": "NOT_DEFINED", "Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "valueDensity": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "version": "4.0", "baseSeverity": "HIGH", "baseScore": 8.7, "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N" } } ], "source": { "discovery": "UNKNOWN" }, "x_generator": { "engine": "Vulnogram 1.0.5" } }, "adp": [ { "metrics": [ { "other": { "type": "ssvc", "content": { "timestamp": "2026-10-04T00:00:00+00:00", "options": [ { "Exploitation": "active" }, { "Automatable": "yes" }, { "Technical Impact": "partial" } ], "role": "CISA Coordinator", "version": "2.0.3", "id": "CVE-2026-88779" } } }, { "other": { "type": "kev", "content": { "dateAdded": "2026-10-04", "reference": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-88779" } } } ], "references": [ { "url": "https://community.citrix.com/techzone-blogs/110_security-updates/understanding-and-addressing-cve-2026-88779-in-citrix-netscaler-adc-and-citrix-netscaler-gateway/", "tags": [ "vendor-advisory" ] }, { "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-88779", "tags": [ "government-resource" ] } ], "problemTypes": [ { "descriptions": [ { "lang": "en", "type": "CWE", "cweId": "CWE-119", "description": "CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer" } ] } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-05T03:55:38.096Z" }, "timeline": [ { "time": "2026-10-04T00:00:00.000Z", "lang": "en", "value": "CVE-2026-88779 added to CISA KEV" } ] } ] } }