Tag: zero day
368 articles

Linux Flaw Exposes Local Users to Root Access
A newly discovered Linux flaw, dubbed Fragnesia, allows unprivileged local users to gain root access by exploiting a weakness in the kernel's handling of shared page fragments, putting all Linux kernels released before May 13, 2026, at risk. This vulnerability can be triggered through a simple sequence of operations, making it a serious threat to Linux users.

Windows Zero-Days Expose BitLocker, CTFMON Vulnerabilities
A security researcher has uncovered a pair of alarming Windows zero-day vulnerabilities, including a BitLocker bypass and a privilege-escalation exploit that can be triggered with just a USB drive. Dubbed YellowKey, this exploit can even surface a shell on BitLocker-protected systems, giving attackers an easy way in.

BitLocker Zero-Day Exposes Windows Drives to Unauthorized Access
A security researcher, Chaotic Eclipse, has dropped a bombshell by releasing proof-of-concept code for two unpatched Windows vulnerabilities, citing frustration with Microsoft's handling of previous bug reports. This move exposes Windows drives to unauthorized access, even with TPM+PIN protection in place.

Anonymous Researcher Exposes New Microsoft Zero-Days
A shocking new discovery by an anonymous researcher has revealed not one, but two fresh Windows zero-days, just days after Microsoft's monthly Patch Tuesday. Meet YellowKey, a sneaky BitLocker bypass that can be launched from a USB drive, giving attackers unrestricted access to a protected machine - if they can get their hands on it.

AI-Developed Zero-Day Exploit Exposes New Threats
Google's discovery of the first AI-generated zero-day exploit is a game-changer, revealing a new level of threat sophistication. This historic finding shows that AI can now be used not just to identify vulnerabilities, but to create and deploy malicious code.

Microsoft Patches 138 Vulnerabilities, Including Critical DNS and Netlogon Flaws
Microsoft just patched a critical DNS flaw that could let hackers execute code on your network, along with 137 other vulnerabilities - so make sure to update ASAP! The update also includes a mandatory rollout of updated Secure Boot certificates to keep your system secure.

Autonomous Validation Gains Urgency as AI-Powered Attacks Accelerate
In just 14 days, Anthropic's new AI model, Mythos, astonishingly generated 181 working Firefox exploits - a dramatic leap from the previous state of the art, which managed only two - and uncovered thousands of zero-day vulnerabilities across major OS and browsers, many of which remain unpatched today.

CISOs Weigh Ransom Payments Amid Ransomware Resilience Gap
A surprising 58% of CISOs admit they'd consider paying a ransom to quickly restore encrypted systems, revealing a stark reality in the ongoing battle against ransomware. This willingness varies by geography, with 63% of US CISOs and 47% of UK CISOs open to making a payment.

Microsoft Patch Tuesday Disrupts 120 Vulnerabilities with AI-Driven Insights
Microsoft's May Patch Tuesday update tackles a whopping 120 vulnerabilities, including 17 critical flaws that could leave your systems exposed to remote code execution, elevation of privilege, and information disclosure attacks. Prioritize patching now to safeguard your domain controllers and prevent potentially disastrous breaches.

AI-Powered Bug Hunts Disrupt Software Giants' Patch Cycles
Microsoft just dropped a massive batch of software updates to fix 118 security vulnerabilities, including 16 critical flaws that could let hackers take control of your system. For the first time in nearly two years, none of these patches are for emergency zero-day flaws that were already being exploited.

Microsoft Patch Tuesday Addresses 120 Vulnerabilities
Microsoft's May 2026 Patch Tuesday rollout is a doozy, tackling a whopping 120 vulnerabilities in one fell swoop - and thankfully, there are no zero-day threats to worry about this time around. This massive update means admins have their work cut out for them, but it's a big win for security.

Google Exposes AI-Built Zero-Day Threat That Nearly Sparked Mass Attack
The game-changing moment came when a zero-day threat, nearly sparking a mass attack, was uncovered - and forensic evidence revealed its exploit code was astonishingly built by an AI model. This breakthrough highlights how AI is revolutionizing exploit development, making it faster and more accessible to malicious actors.

Threat Actors Leverage AI for Vulnerability Exploitation and Cyber Operations
Google Threat Intelligence Group has spotted a threat actor using a zero-day exploit likely developed with AI, marking a chilling new trend in cybercrime. This game-changing tactic turbocharges exploit development, malware autonomy, and access to premium AI services.

Google Researchers Uncover AI-Developed Zero-Day Exploit
Google researchers have made a groundbreaking discovery - a zero-day exploit that was developed with the help of artificial intelligence, which could have led to a large-scale attack if not caught in time. Thankfully, the vulnerability has been patched after Google alerted the affected vendor.

Google Exposes AI-Driven Zero-Day 2FA Bypass Exploit
Google's Threat Intelligence Group just uncovered a zero-day exploit that was likely crafted by AI, highlighting the rapidly evolving threat landscape. This AI-driven attack uses a Python script with telltale signs of large language model-generated code.

Google Exposes AI-Generated Zero-Day Exploit Used by Hackers
Google's Threat Intelligence Group has made a groundbreaking discovery - a zero-day exploit, potentially crafted with AI, was used by hackers to bypass two-factor authentication in a widely-used open-source tool. This alarming finding highlights the emerging threat of AI-generated cyber attacks.

Linux Flaw Exposes Public Root Exploit With No Patches
A critical Linux vulnerability known as Dirty Frag has been exposed, leaving systems open to a public root exploit with no patches or fix available. This high-urgency flaw allows hackers to gain root access, making it essential for admins to take immediate action.

CISA Mandates Patching of Ivanti Flaw Exploited in Zero-Day Attacks
The US Cybersecurity and Infrastructure Security Agency (CISA) is requiring immediate patching of a high-risk Ivanti flaw, CVE-2026-6973, that allows attackers with admin privileges to remotely execute code on vulnerable systems. This critical vulnerability affects Ivanti Endpoint Manager Mobile (EPMM) version 12.8.0.0 and earlier.

Linux 'Dirty Frag' Zero-Day Exposes Root Flaw in Major Distros
A newly discovered Linux zero-day, dubbed "Dirty Frag," allows hackers to instantly gain root access on major distributions by chaining two separate kernel vulnerabilities. This flaw enables attackers to alter protected system files in memory without authorization, putting countless systems at risk.

Ivanti Discloses Actively Exploited Zero-Day in Endpoint Manager
Ivanti has confirmed that hackers are actively exploiting a zero-day vulnerability, CVE-2026-6973, in its Endpoint Manager Mobile (EPMM) software, allowing them to run code remotely with administrative privileges. The company has issued patches for this and four other EPMM flaws to protect its customers.

Ivanti Discloses High-Severity EPMM Flaw Exploited in Zero-Day Attacks
Ivanti has disclosed a high-severity flaw in its Endpoint Manager Mobile (EPMM) product, which has been exploited in limited zero-day attacks requiring admin authentication. To protect against this vulnerability, customers are advised to patch to Ivanti EPMM versions 12.6.1.1, 12.7.0.1, or 12.8.0.1.

Cline Kanban Flaw Exposes AI Coding Agents to Website Hijacking
A critical vulnerability in Cline Kanban's WebSocket endpoints lets hackers hijack websites visited by developers, silently interacting with local AI agents - and it's a flaw that requires zero phishing, malware, or social engineering. This severe flaw, scoring 9.7 on the CVSS scale, puts AI coding agents at risk of website hijacking.

Palo Alto Networks Discloses Active Exploitation of PAN-OS Flaw Enabling Espionage
Palo Alto Networks has uncovered active exploitation of a high-severity flaw in PAN-OS software, allowing attackers to execute arbitrary code with root privileges and inject shellcode into vulnerable systems. This critical vulnerability, tracked as CVE-2026-0300, enables unauthenticated remote code execution, putting affected appliances at risk of espionage.

Vulnerabilities Surge as Exploit Kits Expand in Q1 2026
The Q1 2026 report reveals a concerning surge in vulnerabilities and exploit kits, with attackers increasingly targeting Microsoft Office and Windows with new logic-flaw exploits. This quarter saw a notable rise in security-feature bypasses, including CVE-2026-21509 and CVE-2026-21514, which allow specially crafted files to execute commands with user privileges.