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CVE-2025-53791: Microsoft Edge (Chromium-based) Security Feature Bypass Vulnerability

\*\*According to the CVSS metric, the attack complexity is high (AC:H). What does that mean for this vulnerability? \*\* Successful exploitation of this vulnerability requires an attacker to enable Edge Split Screen mode, have a specific configuration, and run multiple pages.

Microsoft Security Response Center
#vulnerability#microsoft#chrome#Microsoft Edge (Chromium-based)#Security Vulnerability
Why XSS still matters: MSRC’s perspective on a 25-year-old threat 

Cross-Site Scripting (XSS) has been a known vulnerability class for two decades, yet it continues to surface in modern applications, including those built with the latest frameworks and cloud-native architectures. At Microsoft, we still receive a steady stream of XSS reports across our services, from legacy portals to newly deployed single-page apps.

What Is a Passkey? Here’s How to Set Up and Use Them (2025)

Passkeys were built to enable a password-free future. Here's what they are and how you can start using them.

Lazarus Group Expands Malware Arsenal With PondRAT, ThemeForestRAT, and RemotePE

The North Korea-linked threat actor known as the Lazarus Group has been attributed to a social engineering campaign that distributes three different pieces of cross-platform malware called PondRAT, ThemeForestRAT, and RemotePE. The attack, observed by NCC Group's Fox-IT in 2024, targeted an organization in the decentralized finance (DeFi) sector, ultimately leading to the compromise of an

Silver Fox Exploits Microsoft-Signed WatchDog Driver to Deploy ValleyRAT Malware

The threat actor known as Silver Fox has been attributed to abuse of a previously unknown vulnerable driver associated with WatchDog Anti-malware as part of a Bring Your Own Vulnerable Driver (BYOVD) attack aimed at disarming security solutions installed on compromised hosts. The vulnerable driver in question is "amsdk.sys" (version 1.0.600), a 64-bit, validly signed Windows kernel device driver

⚡ Weekly Recap: WhatsApp 0-Day, Docker Bug, Salesforce Breach, Fake CAPTCHAs, Spyware App & More

Cybersecurity today is less about single attacks and more about chains of small weaknesses that connect into big risks. One overlooked update, one misused account, or one hidden tool in the wrong hands can be enough to open the door. The news this week shows how attackers are mixing methods—combining stolen access, unpatched software, and clever tricks to move from small entry points to large

When Browsers Become the Attack Surface: Rethinking Security for Scattered Spider

As enterprises continue to shift their operations to the browser, security teams face a growing set of cyber challenges. In fact, over 80% of security incidents now originate from web applications accessed via Chrome, Edge, Firefox, and other browsers. One particularly fast-evolving adversary, Scattered Spider, has made it their mission to wreak havoc on enterprises by specifically targeting

ScarCruft Uses RokRAT Malware in Operation HanKook Phantom Targeting South Korean Academics

Cybersecurity researchers have discovered a new phishing campaign undertaken by the North Korea-linked hacking group called ScarCruft (aka APT37) to deliver a malware known as RokRAT. The activity has been codenamed Operation HanKook Phantom by Seqrite Labs, stating the attacks appear to target individuals associated with the National Intelligence Research Association, including academic figures

8 Malicious NPM Packages Stole Chrome User Data on Windows

JFrog researchers found eight malicious NPM packages using 70 layers of obfuscation to steal data from Chrome browser…

Fake Facebook Ads Push Brokewell Spyware to Android Users

A Facebook malvertising campaign is spreading the Brokewell spyware to Android users via fake TradingView ads. The malware…