CISA Reports Active Attacks Against Microsoft SharePoint and MikroTik RouterOS
The U.S. Cybersecurity and Infrastructure Security Agency has added two flaws affecting Microsoft SharePoint and MikroTik RouterOS to its Known Exploited Vulnerabilities catalog, c
Two critical Citrix NetScaler zero-days exploited before patches became available
Citrix has confirmed the active exploitation of two critical vulnerabilities in NetScaler ADC and NetScaler Gateway, identified as CVE-2026-88771 and CVE-2026-88772. The flaws allo
Two Citrix NetScaler Zero-Days Exploited Globally
Citrix has patched eight vulnerabilities in NetScaler ADC and NetScaler Gateway, including CVE-2026-88771 and CVE-2026-88772, both with a CVSS score of 9.5 and already exploited as
Exploitation of New Citrix NetScaler Zero-Days Becomes Widespread
Two serious vulnerabilities in Citrix NetScaler ADC and Gateway products are creating an emergency for organizations that expose these devices to the Internet. CVE-2026-88771, whic
Citrix NetScaler zero-day exploited to gain root access
Mandiant and Google Threat Intelligence Group have documented the active exploitation of CVE-2026-88772, a pre-authentication vulnerability with a CVSS score of 9.5 affecting Citri
Critical Zero-Day in Cisco Catalyst SD-WAN Manager Actively Exploited
Cisco has confirmed the active exploitation of CVE-2026-76504, a zero-day vulnerability with a CVSS score of 9.8 affecting Catalyst SD-WAN Manager. The flaw in URI encoding handlin
Critical FortiMail zero-day actively exploited and added to the KEV catalog
Fortinet has confirmed the active exploitation of CVE-2026-104286, a critical zero-day vulnerability in FortiMail email security gateways. The flaw, rated with a CVSS score of 9.8,
New Attack Vector Against Citrix NetScaler After Initial Patches
Researchers and administrators are reporting exploit activity against Citrix NetScaler, including on systems updated for CVE-2026-88771 and CVE-2026-88772. According to the informa
Citrix NetScaler zero-days exploited globally and new high-severity vulnerability
Citrix has released updates for several critical and high-severity vulnerabilities affecting NetScaler ADC and Gateway, platforms frequently exposed to the Internet for remote appl
Citrix NetScaler zero-day exploited to take SAML deployments offline
Citrix has fixed CVE-2026-88779, a memory overflow vulnerability in NetScaler ADC and NetScaler Gateway that has already been exploited in targeted attacks. The flaw, rated 8.7 out