Stay updated on the latest in information security flaws. Explore news, insights, and analysis on vulnerabilities affecting digital safety.
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Background for this topic.
A flaw is a defect in software, hardware, system design, or configuration that causes unintended behavior. In security reporting, the term usually means a weakness that could violate confidentiality, integrity, or availability when reached through a particular interface, input, privilege, or operating condition. Not every flaw is exploitable, and exploitability depends on factors such as exposure, authentication requirements, affected versions, and available mitigations.
Flaws matter because they can create attack paths in applications, operating systems, devices, APIs, or administrative settings. Security teams assess their severity and exposure, prioritize remediation, apply patches or configuration changes, and use isolation or access controls when immediate fixes are unavailable. Code review, testing, vulnerability scanning, and monitoring can reveal flaws across the development and operational lifecycle. Reports should distinguish a confirmed vulnerability from a theoretical defect and provide enough technical detail to support validation without unnecessarily enabling exploitation.
Threat actors of unknown provenance have been attributed to a malicious campaign predominantly targeting organizations in Japan since January 2025
Elastic has rolled out security updates to address a critical security flaw impacting the Kibana data visualization dashboard software for Elasticsearch that could result in arbitrary code execution
The China-lined threat actor behind the zero-day exploitation of security flaws in Microsoft Exchange servers in January 2021 has shifted its tactics to target the information technology (IT) supply chain as a means to obtain initial access to corporate networks
Broadcom has released security updates to address three actively exploited security flaws in VMware ESXi, Workstation, and Fusion products that could lead to code execution and information disclosure
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Monday added five security flaws impacting software from Cisco, Hitachi Vantara, Microsoft Windows, and Progress WhatsUp Gold to its Known Exploited Vulnerabilities (KEV) catalog, based on evidence of active exploitation
Google has released its monthly Android Security Bulletin for March 2025 to address a total of 44 vulnerabilities, including two that it said have come under active exploitation in the wild
Threat actors have been exploiting a security vulnerability in Paragon Partition Manager's BioNTdrv.sys driver in ransomware attacks to escalate privileges and execute arbitrary code