Citrix patches NetScaler SAML zero-day exploited in attacks

Citrix has released emergency updates for a new NetScaler denial-of-service vulnerability tracked as CVE-2026-88779 that has been exploited in zero-day attacks, with researchers investigating whether it can also be exploited for remote code execution. [...]

releasessciencesecurity

Sources

Vulnerabilities

Why this score
Signals contributing to the severity score
SignalPoints
kev added50
kev short fuse — 3 days to remediate15
ssvc active35
cvss high — 8.710
widely deployed15