Latest cybersecurity reporting from selected sources.

Microsoft fixed RoguePlanet (CVE-2026-50656), a Defender flaw allowing local attackers to gain higher privileges through the Malware Protection Engine. Microsoft released security updates for RoguePlanet, a vulnerability tracked as CVE-2026-50656 (CVSS score of 7.8) affecting the Malware Protection Engine used by Defender. The Microsoft Malware Protection Engine (mpengine.dll) powers Defender’s malware scanning, detection, and removal […]

Despite a 2025 patch, Russian-linked groups still exploit a WinRAR flaw (CVE-2025-8088) to deploy malware via phishing archives. CVE-2025-8088 is a path traversal flaw in WinRAR that lets an attacker write files outside the extraction directory using NTFS Alternate Data Streams. WinRAR fixed it in version 7.13 in July 2025. Nearly a year later, Trend […]

Everything is dumb again. This week feels broken in a very familiar way. Old tricks are back. New tools are doing shady crap. Supply chains got hit. Fake help desks worked. Weird research showed how easy some attacks still are

Researchers Detail Prompt Injection, API and Redirect FlawsOasis Security researchers found three bugs in Claude that attackers can chain to steal user chat data without malware or phishing. The "Claudy Day" attack links hidden prompt injection, Anthropic's Files API and an open redirect. Anthropic has fixed the core flaw.

Security failures rarely arrive loudly. They slip in through trusted tools, half-fixed problems, and habits people stop questioning. This week’s recap shows that pattern clearly

Expired security cert, real Brussels agenda, plus PlugX malware finish the job Cyber spies linked to the Chinese government exploited a Windows shortcut vulnerability disclosed in March – but that Microsoft hasn't fixed yet – to target European diplomats in an effort to steal defense and national security details.…

A recently fixed WinRAR vulnerability tracked as CVE-2025-8088 was exploited as a zero-day in phishing attacks to install the RomCom malware. [...]

Oracle Cloud Infrastructure Flaw Enabled Malicious File Uploads, Researchers FoundExploring Oracle Cloud Infrastructure, researchers at Tenable found that Oracle's console-based Code Editor tool failed to block arbitrary file uploads, and could be silently exploited via drive-by attacks to install malware. They said Oracle has now fixed the vulnerability.

​Google has fixed a high-severity Chrome zero-day vulnerability exploited to escape the browser's sandbox and deploy malware in espionage attacks targeting Russian organizations. [...]

Also: France Temporarily Lifts Pavel Durov's Travel Ban Amid Telegram ProbeThis week, Paragon Solutions spread through WhatsApp, France suspended Pavel Durov's travel ban, Vapor malware hit 60M Android users, state-backed hackers exploit a Windows flaw, Western Alliance Bank exposed customers data, Apple fixed a passwords bug, and a sperm bank exposed customer information.

​Microsoft has fixed a zero-day vulnerability exploited in attacks to deliver QakBot and other malware payloads on vulnerable Windows systems. [...]

Microsoft has fixed two actively exploited zero-day vulnerabilities during the April 2024 Patch Tuesday, although the company failed to initially tag them as such. [...]

ALSO: Viasat hack wiper malware is back, users are the number one cause of data loss, and critical vulns Infosec in brief If your Windows domain controllers have been crashing since a security update was installed earlier this month, there's no longer any need to speculate why: Microsoft has admitted it introduced a memory leak in its March patches and fixed the issue.…

A new wave of attacks by the DarkGate malware operation exploits a now-fixed Windows Defender SmartScreen vulnerability to bypass security checks and automatically install fake software installers. [...]

A new wave of attacks by the DarkGate malware operation exploits a now-fixed Windows Defender SmartScreen vulnerability to bypass security checks and automatically install fake software installers. [...]

A hacker is spreading a fake proof-of-concept (PoC) exploit for a recently fixed WinRAR vulnerability on GitHub, attempting to infect downloaders with the VenomRAT malware. [...]

Apple has fixed a vulnerability that could be leveraged to deploy malware on vulnerable macOS devices via untrusted applications capable of bypassing Gatekeeper application execution restrictions. [...]

Apple has fixed a vulnerability that could be leveraged to deploy malware on vulnerable macOS devices via untrusted applications capable of bypassing Gatekeeper application execution restrictions. [...]

Windows has fixed a bug that prevented Mark of the Web flags from propagating to files within downloaded ISO files, dealing a massive blow to malware distributors and developers. [...]

Windows Defender update fixed the mess after a weekend of false positive weirdness Microsoft appears to have fixed a problem that saw its Defender antivirus program identify apps based on the Chromium browser engine and/or Electron JavaScript framework as malware, and suggest users remove them.…