Mmastodon TechnologyCybersecurity first seen 9 h ago, last 9 h ago, peak #8
Critical Citrix NetScaler flaw exploited in the wild since September
Original: 🤖 CVE-2026-88772 (CVSS 9.5): DTLS memory overflow in Citrix NetScaler ADC/Gateway lets unauthenticated attackers reach s
A critical vulnerability, CVE-2026-88772 with a CVSS score of 9.5, has been disclosed in Citrix NetScaler ADC and Gateway products. The DTLS memory overflow allows unauthenticated attackers to achieve shellcode execution. According to Mandiant and Google Threat Intelligence, it has been actively exploited since September to gain root access and deploy the WHIPSHOT and SLAPSHOT malware. Administrators are urged to patch immediately.
Why now: Active in-the-wild exploitation of a critical enterprise vulnerability with malware deployment makes urgent patching a priority for security teams.
CitrixNetScalerCVE-2026-88772MandiantGoogle Threat Intelligence
Evidence
- 🤖 CVE-2026-88772 (CVSS 9.5): DTLS memory overflow in Citrix NetScaler ADC/Gateway lets unauthenticated attackers reach shellcode execution. Exploited in the wild since September (Mandiant/GTIG) to gain root and deploy WHIPSHOT/SLAPSHOT. Patch now. 🔗 https://… · cloud@infosec.exchange · 1
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