Zero-Day

The cybersecurity landscape in 2025 has been marked by an unprecedented surge in zero-day vulnerabilities actively exploited by threat actors. According to recent data, more than 23,600 vulnerabilities were published in the first half of 2025 alone, representing a...

A critical zero-day vulnerability in several Sitecore products could allow attackers to execute code remotely. The vulnerability, identified as CVE-2025-53690, stems from a ViewState deserialization flaw and is being actively exploited in the wild. The investigation by Mandiant revealed that attackers...

Apple has issued emergency security updates across its entire ecosystem to address CVE-2025-43300, a critical zero-day vulnerability in the ImageIO framework that has been actively exploited in sophisticated targeted attacks. This represents the seventh zero-day vulnerability that Apple has patched in 2025, underscoring the...

The cybersecurity landscape has been significantly impacted by the discovery and active exploitation of two critical zero-day vulnerabilities in WinRAR, one of the world's most widely used file compression utilities.  CVE-2025-6218 and CVE-2025-8088 represent sophisticated attack vectors that have enabled threat actors to...

A cybersecurity researcher has disclosed zero-day clickjacking vulnerabilities affecting eleven major password managers, potentially exposing tens of millions of users to credential theft through a single malicious click. The research, conducted by security expert Marek Tóth, reveals that attackers...

The U.S. Cybersecurity and Infrastructure Security Agency has added this vulnerability to its Known Exploited Vulnerabilities catalog, with a due date of September 2, 2025, for federal agencies to apply mitigations. WinRAR has released version 7.13 to address a critical...

The National Nuclear Security Administration (NNSA) has fallen victim to a sophisticated cyber attack exploiting a previously unknown vulnerability in Microsoft SharePoint, marking one of the most significant security breaches targeting critical US defense infrastructure this year.  Chinese government-affiliated hacking...

CISA has issued an urgent alert regarding active exploitation of critical Microsoft SharePoint vulnerabilities by suspected Chinese threat actors.  The attack campaign, dubbed "ToolShell," leverages a vulnerability chain involving CVE-2025-49706 (network spoofing) and CVE-2025-49704 (remote code execution) to gain unauthorized...

CISA has issued an urgent warning about a critical zero-day remote code execution vulnerability affecting Microsoft SharePoint Server on-premises installations that threat actors are actively exploiting in the wild. The vulnerability, tracked as CVE-2025-53770, poses a significant security risk to...

Google's revolutionary AI-powered security tool, Big Sleep, has achieved a groundbreaking milestone by discovering and preventing the exploitation of a critical SQLite 0-day vulnerability, marking the first time an artificial intelligence agent has directly thwarted active cyber threats in...