Windows Defender Triple Zero-Day: BlueHammer, RedSun, and UnDefend Actively Exploited in the Wild
Three critical zero-day vulnerabilities — BlueHammer (CVE-2026-33825), RedSun, and UnDefend — have been discovered in Windows Defender's remediation engine. All three allow local privilege escalation to SYSTEM level...
Cisco Patches Four Critical Flaws in Identity Services Engine and Webex: Unauthenticated RCE and Full User Impersonation at Risk
Cisco has patched four critical vulnerabilities in Identity Services Engine (ISE) and Webex, including an unauthenticated remote code execution flaw in ISE and an authentication bypass in Webex...
Critical CVE-2026-33032 (MCPwn): Actively Exploited nginx-ui Flaw Enables Full Web Server Takeover in Two HTTP Requests
CVE-2026-33032 (MCPwn) is a CVSS 9.8 authentication bypass in nginx-ui being actively exploited in the wild. Attackers can seize full control of Nginx web servers in two HTTP...
Fortinet FortiClientEMS Under Active Attack: Critical CVE-2026-35616 (CVSS 9.1) Added to CISA KEV Catalog
A critical improper access control vulnerability in Fortinet FortiClientEMS (CVE-2026-35616, CVSS 9.1) is being actively exploited following the publication of a public proof-of-concept. CISA has added the flaw...
Critical SAP SQL Injection CVE-2026-27681 (CVSS 9.9) Exposes Financial Data in Business Planning and Warehouse Systems
SAP's April 2026 Patch Day addresses CVE-2026-27681, a near-perfect CVSS 9.9 SQL injection flaw in SAP Business Planning and Consolidation (BPC) and Business Warehouse (BW). A low-privileged user...
Three Windows Defender Zero-Days Exploited in the Wild: BlueHammer Patched, RedSun and UnDefend Still Unpatched
A security researcher dropped three Windows Defender zero-day exploits in 13 days — BlueHammer (CVE-2026-33825), RedSun, and UnDefend. All three are now confirmed active in live attacks, with...
CISA Adds Apache ActiveMQ CVE-2026-34197 to KEV Catalog as Active Exploitation Surges
CISA has added CVE-2026-34197, a high-severity (CVSS 8.8) deserialization flaw in Apache ActiveMQ Classic, to its Known Exploited Vulnerabilities catalog after active exploitation was detected within 48 hours...
Microsoft April 2026 Patch Tuesday: Actively Exploited SharePoint Zero-Day Among 167 Fixes
Microsoft's April 2026 Patch Tuesday patches 167 vulnerabilities including an actively exploited SharePoint Server zero-day (CVE-2026-32201) and a publicly disclosed Windows Defender race condition (CVE-2026-33825). Security teams should...