CVE-2026-88772 KEV
8.1
HIGH · CVSS 3.1 · EPSS 76.6% (pctl 100)
Patch first
On CISA KEV — known exploited in the wild, due 2026-09-30.
Description
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 Remote Code Execution or Denial of Service
Scoring
| CVSS | 8.1 (HIGH, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 76.57% — more likely to be exploited than 100% of all CVEs |
| Weakness | CWE-119 |
| On CISA KEV | yes — remediate by 2026-09-30 |
| Public exploit | none known |
| Published | 2026-09-27 |
| Last modified | 2026-09-28 |
CISA KEV
| Name | Citrix NetScaler Improper Restriction of Operations within the Bounds of a Memory Buffer Vulnerability |
|---|---|
| Added | 2026-09-27 |
| Due | 2026-09-30 |
| Vendor / product | Citrix / NetScaler |
| Ransomware use | none reported |
Affected (2)
| Vendor | Product |
|---|---|
| citrix | netscaler application delivery controller |
| citrix | netscaler gateway |
References
- 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
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-88772
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