WinRAR flaw bypasses Windows Mark of the Web security alerts
A vulnerability in the WinRAR file archiver solution could be exploited to bypass the Mark of the Web (MotW) security warning and execute arbitrary code on a Windows machine. [...]
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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.
A vulnerability in the WinRAR file archiver solution could be exploited to bypass the Mark of the Web (MotW) security warning and execute arbitrary code on a Windows machine. [...]
A maximum severity remote code execution (RCE) vulnerability has been discovered impacting all versions of Apache Parquet up to and including 1.15.0. [...]
A vulnerability in Verizon's Call Filter feature allowed customers to access the incoming call logs for another Verizon Wireless number through an unsecured API request. [...]
A significant spike in scanning activity targeting Palo Alto Network GlobalProtect login portals has been observed, with researchers concerned it may be a prelude to an upcoming attack or flaw being exploited. [...]
Microsoft used its AI-powered Security Copilot to discover 20 previously unknown vulnerabilities in the GRUB2, U-Boot, and Barebox open-source bootloaders. [...]