Daily briefing: Sunday, October 4, 2026
Citrix released emergency updates for NetScaler denial-of-service vulnerability CVE-2026-88779 exploited in zero-day attacks, with researchers investigating whether it can also be exploited for remote code execution. A suspected ShinyHunters member known as Rey was reportedly detained in Jordan and is said to be cooperating with the FBI.
Citrix patches NetScaler SAML zero-day exploited in attacks
Citrix released emergency updates for NetScaler denial-of-service vulnerability CVE-2026-88779 exploited in zero-day attacks, with researchers investigating whether it can also be exploited for remote code execution. CISA added CVE-2026-88779 to its Known Exploited Vulnerabilities Catalog, noting it is a frequent attack vector for malicious cyber actors and poses significant risks to the federal enterprise under BOD 26-04. CVE-2026-88779 has a CVSS score of 8.7 (high).
Trump Names National Intelligence Director Jay Clayton to Lead a New Federal AI Task Force
Trump named National Intelligence Director Jay Clayton to lead a new federal AI task force. The announcement follows Trump's hosting of top executives of AI companies at the White House last week.
ShinyHunters Suspect Rey Reportedly Detained in Jordan, Helping FBI Identify Group Members
A suspected ShinyHunters member known as Rey was reportedly detained in Jordan and is said to be cooperating with the FBI.
China-Aligned TA419 Targets U.S. AI Policy Experts With Microsoft AitM Phishing
TA419 targets U.S. AI policy experts with reply-triggered AitM phishing that captures Microsoft credentials and session cookies.
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