New Microsoft Defender 'ShieldBreak' zero-day grants SYSTEM privileges
Nightmare Eclipse has released a new Microsoft Defender zero-day exploit named "ShieldBreak" after Microsoft released the August 2026 Patch Tuesday security updates. [...]
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1250 notíciasAttackers Exploit VMware vCenter Vulnerability to Gain Persistent Remote Access
Threat actors have begun to actively exploit a recently patched critical security flaw in Broadcom VMware vCenter, according to new findings from QUIRSO. The vulnerability in question is CVE-2026-59310 (CVSS score: 9.8), a directory-traversal vulnerability in the VMware vCenter …
Malicious LiteLLM Releases Tied to Trivy Hack May Have Exposed 2,100+ Organizations
Two malicious LiteLLM releases sat on PyPI for about 40 minutes in March carrying credential-stealing code capable of harvesting cloud keys, SSH keys, Kubernetes tokens, database passwords, and other secrets from systems that installed them. Threat intelligence firm CloudSEK now…
SAP Commerce Cloud Flaw Could Let Unauthenticated Attackers Execute Arbitrary Code
SAP has released patches to address a maximum-severity security flaw impacting Commerce Cloud (Data Hub Adapter) that could result in arbitrary code execution. The vulnerability, assigned the CVE identifier CVE-2026-58231, is rated 10.0 on the CVSS scoring system. It has been de…
ShieldBreak Zero-Day PoC Claims Microsoft Defender Patch Bypass With SYSTEM Access
The security researcher going by the name Chaotic Eclipse (aka INFINITE NIGHTMARE, MSNightmare, and Nightmare-Eclipse) has released a proof-of-concept (PoC) for a new Microsoft zero-day called ShieldBreak. The vulnerability, rooted in Microsoft Defender for Windows, demonstrates…
Cisco ASA and FTD Flaw Exploited in the Wild Can Trigger Remote DoS
Cisco has warned that a new vulnerability impacting Secure Firewall Adaptive Security Appliance (ASA) Software and Secure Firewall Threat Defense (FTD) Software has been exploited in the wild. The high-severity flaw, tracked as CVE-2026-20349 (CVSS score: 8.6), is a case of insu…
Healthcare Orgs Warned About Ransomware Attacks Exploiting Unpatched Fortinet Devices
Cybersecurity agencies in the United States and South Korea have issued a warning about Gunra, a ransomware-as-a-service (RaaS) operation that has started targeting government and critical infrastructure entities, including healthcare organizations. The financially motivated thre…
DEF CON crowd suspected in fake-hotspot attack on Delta flight
FBI Atlanta confirms it's looking into the incident, no arrests made.
DeadLock ransomware uses blockchain to resist infrastructure takedown
The DeadLock ransomware operation is using a decentralized infrastructure that relies on blockchain-backed services to protect its communication with victims and data-leak activity. [...]
Gunra Ransomware Gang Exploits Fortinet Flaws, Bypasses MFA
The ransomware-as-a-service operation is finding success against critical infrastructure targets with leaked Conti code and old flaws in firewalls and VPN appliances.
Sandworm hackers target IT pros with trojanized WireGuard VPN client
Hackers associated with the Russian threat group Sandworm have been targeting system administrators and IT professionals through fake job offers since at least May. [...]
Microsoft Patches 398 Flaws Including a Windows Driver Zero-Day Under Active Attack
Microsoft released its monthly security updates on Tuesday, and one of the flaws it closed is already being used in attacks. The bug sits in a core Windows kernel driver that handles network socket operations. An attacker with code already running on a machine can use it to esca…
Cisco warns of ASA and FTD VPN flaw exploited to crash devices
Cisco is warning that a high-severity denial-of-service vulnerability in Secure Firewall ASA and Threat Defense (FTD) software is being actively exploited in attacks to remotely crash affected devices. [...]
Kimwolf v7 Android Botnet Makes HTTP/2 DDoS Traffic Look Like Legitimate Browsing
Cybersecurity researchers have discovered a new version of the Kimwolf/AISURU Android and Internet of Things (IoT) botnet that comes with significant improvements to improve its operational resilience and conduct distributed denial-of-service (DDoS) attacks. The new version, tra…
Zoom Annotation Flaws Could Let a Meeting Participant Hijack Another Attendee's Client
Anyone sharing their screen on a Zoom call could have taken over the computers of everyone watching, and anyone watching could have taken over the presenter's. The flaw sat in the annotation tool, the feature that lets participants draw and type on a shared screen, and it asked …
Sandworm-Linked UAC-0145 Uses Fake Job Interviews to Push VPN That Can Run Commands
The Computer Emergency Response Team of Ukraine (CERT-UA) has disclosed details of a new social engineering campaign orchestrated by Russian nation-state threat actors targeting IT workers in the country by masquerading as recruiters to trick them into installing malware. CERT-U…
Delta probes Wi-Fi deauth attack on flight carrying DEF CON attendees
Delta Air Lines is investigating an unauthorized Wi-Fi network that appeared aboard a flight from Las Vegas to Atlanta carrying passengers who had attended the DEF CON hacker convention. [...]
Microsoft August 2026 Patch Tuesday fixes 400 flaws, 3 zero-days
Today is Microsoft's August 2026 Patch Tuesday, and with it comes security updates for a massive 400 flaws, including one actively exploited and two publicly disclosed zero-day vulnerabilities. [...]
Windows 11 KB5121003 & KB5120240 cumulative updates released
Microsoft has released Windows 11 KB5121003 and KB5120240 cumulative updates for versions 25H2/24H2 and 23H2 to fix security vulnerabilities, bugs, and add new features. [...]
Researchers Disclose AI-Assisted SharePoint Exploit Chain Reaching Unauthenticated RCE
Security researchers found a way to enter Microsoft SharePoint servers as any user, including an administrator, with no valid account. A significant part of the work that found it was done through an AI agent. The flaw, tracked as CVE-2026-55040 (CVSS 9.1), affects SharePoint Se…