Mmastodon TechnologyCybersecurity first seen 4 h ago, last 4 h ago, peak #2
Citrix confirms two actively exploited NetScaler zero-day flaws
Original: Two Citrix NetScaler zero-day RCE flaws are under active exploitation. Citrix confirmed CVE-2026-88771 and CVE-2026-8877
Citrix has confirmed two zero-day remote code execution vulnerabilities in its NetScaler application delivery products, tracked as CVE-2026-88771 and CVE-2026-88772, both under active exploitation. The company has released patches, and security researchers are urging administrators to update internet-facing NetScaler and VPN appliances immediately, warning that unpatched systems could allow attackers to run code remotely.
Why now: Actively exploited zero-days in widely deployed enterprise edge appliances are an urgent patching priority for security teams.
CitrixNetScalerCVE-2026-88771CVE-2026-88772watchTowr
Evidence
- Two Citrix NetScaler zero-day RCE flaws are under active exploitation. Citrix confirmed CVE-2026-88771 and CVE-2026-88772 and shipped patches. Update now. # Citrix # NetScaler # ZeroDay # RCE # CyberSecurity # VPN # watchTowr # PatchNow https:// securityonline.info/citrix-net… · DailyCyberSecurity@infosec.exchange · 2
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