HIGH CISA-KEV ACTIVELY EXPLOITED

CVE-2026-8452

Citrix NetScaler ADC and NetScaler Gateway Improper Restriction of Operations within the Bounds of a Memory Buffer Vulnerability

Citrix NetScaler ADC and NetScaler Gateway contain an improper restriction of operations within the bounds of a memory buffer vulnerability which could lead to denial of service.

Affected Products

References

Published: 2026-08-26 · Source: CISA-KEV · Feed updated: 2026-08-26
This high severity vulnerability was published on 2026-08-26 via CISA-KEV. ⚠ This vulnerability is in the CISA Known Exploited Vulnerabilities (KEV) catalog — it is being actively exploited in the wild. Affected: Citrix: NetScaler ADC and NetScaler Gateway.

Risk Timeline

CVE Disclosed2026-08-26 · 0 days ago
CISA KEV — Actively ExploitedU.S. federal agencies required to patch · confirmed threat-actor activity

Remediation Resources

CISA / KEV
www.cisa.gov/known-exploited-vulnerabilities-catalog
NVD / MITRE
nvd.nist.gov/vuln/detail/CVE-2026-8452
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