Latest Cybersecurity News and Articles

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New Linux Kernel Flaw Gives ARM64 KVM Guests Read-Write Access to Host Memory

A new flaw in the Linux kernel's KVM virtualization code for ARM64 processors can leave a freed piece of host memory exposed to a guest virtual machine on hosts with nested virtualization enabled. The bug, tracked as CVE-2026-89775, allows a guest to read and write host kernel memory, and the researcher who found it says it can be used to escape the guest and run code on the host machine.

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Malicious B-tree NPM Package Accumulates Millions of Downloads

Posing as the legitimate sorted-btree package, indexed-btree hides a malware trigger in its prototype method. The post Malicious B-tree NPM Package Accumulates Millions of Downloads appeared first on SecurityWeek.

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SharePoint Flaw Initially Listed as Spoofing by Microsoft Enables Authenticated RCE

A SharePoint Server vulnerability that Microsoft initially classified as a spoofing flaw with a CVSS score of 6.5 actually enables authenticated remote code execution, according to full technical details published today by Viettel Cyber Security researcher Dinh Ho Anh Khoa. The flaw, CVE-2026-65660, affects SharePoint Server 2016, 2019, and Subscription Edition. Patches have been

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WordPress Patches ‘Click2Shell’ Vulnerability

The bug lets attackers automatically install and preview themes and could lead to remote code execution. The post WordPress Patches ‘Click2Shell’ Vulnerability appeared first on SecurityWeek.

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Malicious npm Package indexed-btree Hid Its Loader in Runtime Code Before Removal

A malicious npm package named "indexed-btree" has been observed hiding its malicious behavior within application code rather than using lifecycle scripts, indicating that threat actors are likely shifting tactics in response to recent security controls. "Indexed-btree is a malicious npm package mimicking the legit sorted-btree package, an ordinary B-tree/indexing utility," Checkmarx said. "

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Japan Dismantles First North Korean Laptop Farm as US and Allies Detail Wider Scheme

The US, Japan, Germany and Australia have published a joint report detailing the scope of North Korea’s WaterPlum campaign. The post Japan Dismantles First North Korean Laptop Farm as US and Allies Detail Wider Scheme appeared first on SecurityWeek.

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SideCopy Broadens India Targeting to Academia With ReverseRAT Spear-Phishing

The threat actor known as SideCopy has been observed using spear-phishing lures to target academic institutions in India, expanding their strategic focus beyond government entities. "SideCopy campaign operations typically initiate through spear-phishing campaigns that leverage the abuse of mshta.exe to execute malicious scripts and circumvent standard security protocols," Trellix researchers

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One Hidden Meta Muse Setting Could Let Attackers Turn the AI Assistant Into a Backdoor

Malware already running on a Mac can quietly take over Meta's Muse assistant and use the broad access its owner granted the app, security researcher Patrick Wardle has shown in a proof-of-concept released on September 21. It works by changing a hidden setting so that when the user taps the microphone and dictates a prompt, the words go to the attacker instead of Meta. The flaw is in

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WordPress Comment2Shell Flaw Can Turn Anonymous Comment XSS Into RCE via Admin Session

A new flaw in WordPress core let an anonymous visitor leave a comment that planted a hidden script on the page. If a logged-in administrator later opened that page, the script could run code on the site's server. WordPress fixed the flaw, tracked as CVE-2026-93485 and dubbed "Comment2Shell," on September 17 in version 7.1.1 and told site owners to update right away. There is

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Zyxel and Veeam Flaws Under Active Exploitation With Command and SYSTEM Access

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Monday added a now-patched security flaw impacting Zyxel GS1900 series switches to its Known Exploited Vulnerabilities (KEV) catalog, citing evidence of active exploitation. The vulnerability, tracked as CVE-2026-7273 (CVSS score: 8.8), is a stack-based buffer overflow vulnerability that could result in arbitrary operating

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US Proposes AI Incident Alert System in Talks With China, Bessent Says

Trump has resisted calls to slow down AI development, saying that would help China catch up to U.S. companies. The post US Proposes AI Incident Alert System in Talks With China, Bessent Says appeared first on SecurityWeek.

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Fake LastPass Authenticator Installer Abuses Microsoft-Signed Driver to Kill Antivirus and EDR

A fake LastPass Authenticator installer offered on GitHub installs a Windows kernel driver that shuts off antivirus and other security software before a password stealer runs if a victim downloads and runs it, researchers at LastPass and Delphos Labs said on September 17. Microsoft's own hardware-compatibility program signs the driver, scored zero detections on VirusTotal when researchers

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Google Hit With $463 Million Fine for EU Location Data Rule Breach

Google has been fined 403 million euros ($463 million) for breaching the European Union’s strict privacy rules because it mishandled users’ location data. The post Google Hit With $463 Million Fine for EU Location Data Rule Breach appeared first on SecurityWeek.

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Contagious Interview Campaign Compromises 30,000 Devices, Steals $10.71M in Crypto

The North Korean threat actors behind the Contagious Interview campaign have compromised at least 30,000 devices located in more than 100 countries and siphoned funds or account credentials from over 7,000 cryptocurrency wallets, according to a new joint cybersecurity advisory. The primary targets of the campaign are individual web designers, engineers, and specialists in cryptocurrency,

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Google Fined €403 Million Over GDPR Violations Tied to Location Data

Google has been fined €403 million for breaking the EU's data protection law, the GDPR, in the way three of its features handled people's location data from May 2018 to February 2020. Ireland's Data Protection Commission (DPC), Google's lead regulator in the EU, also ordered the company to make its processing comply with the law within 6 months. The DPC has not said publicly which

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Fake LastPass Installers Push Kernel-Level EDR Killer, ‘Rapuncel’ Stealer

The attackers impersonate at least 40 companies and disable 145 security products to deploy infostealer malware. The post Fake LastPass Installers Push Kernel-Level EDR Killer, ‘Rapuncel’ Stealer appeared first on SecurityWeek.

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CISO Conversations: Noopur Davis – The Accidental Global CISO at Comcast

Noopur Davis never planned a career in cybersecurity. She was a developer at Intergraph, and for many years that was all she wanted to be. The post CISO Conversations: Noopur Davis – The Accidental Global CISO at Comcast appeared first on SecurityWeek.

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⚡ Weekly Recap: Cisco 0-Day, AI Agent RCE, ClickFix Attacks, ClickFix Surge, and Browser Hijacks

A browser. A plugin. A package. A login screen. Normal stuff. That is basically the problem this week. The trouble keeps showing up inside things people already trust: code that takes a bad turn, old payloads coming back, exposed systems, weak checks, fake fixes, and attack paths that look almost too easy. Even the research side is getting messy, with more findings, more automation, and not

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TASK#STOMP PowerShell Backdoor Steals Documents, Wi-Fi Passwords, and Clipboard Data

Cybersecurity researchers have disclosed details of a new campaign dubbed TASK#STOMP that delivers a PowerShell backdoor designed to harvest sensitive data from compromised hosts. The backdoor "automatically harvests and exfiltrates business documents, watches the filesystem for new files in real time, steals Wi-Fi passwords and clipboard contents, takes screenshots, and accepts arbitrary

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Dragos Completes NetRise and runZero Acquisitions Following Accenture Deal

The transaction is part of the $4.1 billion deal in which Accenture acquired a majority stake in Dragos in an OT cybersecurity push. The post Dragos Completes NetRise and runZero Acquisitions Following Accenture Deal appeared first on SecurityWeek.