AI agent used Zammad zero-days to breach Dutch vulnerability disclosure non-profit
An agentic AI-powered attack that hit the Dutch Institute for Vulnerability Disclosure (DIVD) on September 21 exploited two zero-day vulnerabilities in Zammad, an open-source …
Citrix NetScaler RCE zero-days exploited globally for weeks (CVE-2026-88771, CVE-2026-88772)
Citrix has patched eight critical and high-severity vulnerabilities in NetScaler ADC and NetScaler Gateway, two of which (CVE-2026-88771, CVE-2026-88772) have been exploited …
Nearly 22,000 Microsoft Exchange servers remain exposed to critical security flaw (CVE-2026-62911)
Nearly 22,000 Microsoft Exchange servers remain unpatched against CVE-2026-62911, a critical authentication bypass vulnerability, according to daily scans from the …
CISA folds its own hard-won lessons into coordinated vulnerability disclosure guidance
On Wednesday, the U.S. Cybersecurity and Infrastructure Security Agency (CISA) and four allied cyber authorities published a guide telling software vendors how to build a …
Microsoft patches 80+ vulnerabilities, six flagged as “more likely” to be exploited
On March 2026 Patch Tuesday, Microsoft addressed 80+ vulnerabilities affecting its software and cloud services. Of these, two were publicly disclosed, but not actively …
European Commission hit by cyberattackers targeting mobile management platform
The European Commission’s mobile device management platform was hacked but the incident was swiftly contained and no compromise of mobile devices was detected, …
Stealth-patched FortiWeb vulnerability under active exploitation (CVE-2025-58034)
Attackers are actively exploiting another FortiWeb vulnerability (CVE-2025-58034) that Fortinet fixed without making its existence public at the time. About CVE-2025-58034 …
Microsoft releases urgent fix for actively exploited WSUS vulnerability (CVE-2025-59287)
Microsoft has released an out-of-band security update that “comprehensively” addresses CVE-2025-59287, a remote code execution vulnerability in the Windows Server …
Attackers are exploiting critical SAP S/4HANA vulnerability (CVE-2025-42957)
A critical vulnerability (CVE-2025-42957) in SAP S/4HANA enterprise resource planning software is being exploited by attackers “to a limited extent”, the Dutch …
Netscaler vulnerability was exploited as zero-day for nearly two months (CVE-2025-6543)
FortiGuard Labs has reported a dramatic spike in exploitation attempts targeting CitrixBleed 2, a critical buffer over‑read flaw (CVE‑2025‑5777) affecting Citrix NetScaler ADC …
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