Zero-Day Exploitation of Citrix NetScaler ADC and Gateway: CVE-2026-88771 and CVE-2026-88772
Overview On September 27, 2026, Citrix disclosed eight new vulnerabilities affecting NetScaler ADC and NetScaler Gateway, including two critical remote code execution (RCE) vulnerabilities: CVE-2026-88771 and CVE-2026-88772. Both of these RCE vulnerabilities carry a critical CVSSv4 score of 9.5…
Sources
- T1Zero-Day Exploitation of Citrix NetScaler ADC and Gateway: CVE-2026-88771 and CVE-2026-88772Rapid7
Vulnerabilities
Why this score
| Signal | Points |
|---|---|
| kev added | 50 |
| kev short fuse — 3 days to remediate | 15 |
| ssvc active | 35 |
| cvss critical — 9.5 | 20 |
| widely deployed | 15 |