National Advisories & Alerts
Advisories
Curated, actionable advisories issued by NCSA for the national ecosystem.
Critical
Active exploitation of Citrix NetScaler CVE-2026-1042
NCSA-2026-0142 · Government · 2026-05-18 · TLP:AMBER
High
Phishing campaign impersonating Qatar Post
NCSA-2026-0141 · Citizens · 2026-05-17 · TLP:AMBER
High
Ransomware group targeting GCC energy sector
NCSA-2026-0140 · Energy · 2026-05-15 · TLP:AMBER
Medium
VMware ESXi privilege escalation patch released
NCSA-2026-0139 · All · 2026-05-14 · TLP:AMBER
Medium
Microsoft Exchange hardening guidance update
NCSA-2026-0138 · All · 2026-05-12 · TLP:AMBER
Critical
Active exploitation of Citrix NetScaler CVE-2026-1042
NCSA-2026-0130 · Government · 2026-05-18 · TLP:AMBER
High
Phishing campaign impersonating Qatar Post
NCSA-2026-0129 · Citizens · 2026-05-17 · TLP:AMBER
High
Ransomware group targeting GCC energy sector
NCSA-2026-0128 · Energy · 2026-05-15 · TLP:AMBER
Medium
VMware ESXi privilege escalation patch released
NCSA-2026-0127 · All · 2026-05-14 · TLP:AMBER
Medium
Microsoft Exchange hardening guidance update
NCSA-2026-0126 · All · 2026-05-12 · TLP:AMBER