​During the second day of Pwn2Own Berlin 2026, competitors collected $385,750 in cash awards after exploiting 15 unique zero-day vulnerabilities in multiple products, including Windows 11, Microsoft Exchange, and Red Hat Enterprise Linux for Workstations. [...]

Hackers have injected credential-stealing malware into newly published versions of node-ipc, a popular inter-process communication package, in a new supply chain attack targeting npm. [...]

The Russian state-sponsored hacking group known as Turla has transformed its custom backdoor Kazuar into a modular peer-to-peer (P2P) botnet that's engineered for stealth and persistent access to compromised hosts. Turla, per the U.S. Cybersecurity and Infrastructure Security Agency (CISA), is assessed to be affiliated with Center 16 of Russia's Federal Security Service (FSB)

Two vulnerabilities in the Avada Builder plugin for WordPress, with an estimated one million active installations, allow hackers to read arbitrary files and extract sensitive information from the database. [...]

Other noteworthy stories that might have slipped under the radar: Nvidia cloud gaming data breach, Android 17 security upgrades, FBI warning after ShinyHunters hacks Canvas. The post In Other News: Big Tech vs Canada Encryption Bill, Cisco’s Free AI Security Spec, Audi App Flaws appeared first on SecurityWeek.

Microsoft is updating the Edge web browser to ensure it no longer loads saved passwords into process memory in clear text at startup. [...]

Stolen browser sessions and authentication tokens are becoming more valuable than stolen passwords. Flare explains how the REMUS infostealer evolved around session theft and operational scalability. [...]

Cybersecurity researchers have disclosed a set of four security flaws in OpenClaw that could be chained to achieve data theft, privilege escalation, and persistence. The vulnerabilities, collectively dubbed Claw Chain by Cyera, can permit an attacker to establish a foothold, expose sensitive data, and plant backdoors. A brief description of the flaws is below -

Microsoft is introducing a new Windows Update capability that will allow it to remotely roll back problematic Windows drivers delivered through Windows Update. [...]

Microsoft has shared mitigations for CVE-2026-42897 until a permanent patch can be released for affected Exchange Server versions. The post Microsoft Warns of Exchange Server Zero-Day Exploited in the Wild appeared first on SecurityWeek.

Robert "RSnake" Hansen, Katie Moussouris, Rich Mogull, Richard Stiennon, and Bruce Schneier reflect on how their favorite columns penned for Dark Reading over the past 20 years have stood the test of time.

CISA has added one new vulnerability to its Known Exploited Vulnerabilities (KEV) Catalog, based on evidence of active exploitation. CVE-2026-42897 Microsoft Exchange Server Cross-Site Scripting Vulnerability This type of vulnerability is a frequent attack vector for malicious cyber actors and poses significant risks to the federal enterprise. Binding Operational Directive (BOD) 22-01: Reducing the Significant Risk of Known Exploited Vulnerabilities established the KEV Catalog as a living list

The non-bank lender discovered a ransomware attack nearly one year ago, but only recently completed its investigation. The post American Lending Center Data Breach Affects 123,000 Individuals appeared first on SecurityWeek.

In Your Biggest Security Risk Isn't Malware — It's What You Already Trust, we made a simple argument: the most dangerous activity inside most organizations no longer looks like an attack. It looks like administration. PowerShell, WMIC, netsh, Certutil, MSBuild — the same trusted utilities your IT team uses every day are also the preferred toolkit of modern threat actors. Bitdefender's analysis

OpenAI has disclosed that two of its employee devices in its corporate environment were impacted via the Mini Shai-Hulud supply chain attack on TanStack, but noted that no user data, production systems, or intellectual property were compromised or modified in an unauthorized manner. "Upon identification of the malicious activity, we worked quickly to investigate, contain, and take steps to

Two employee devices were compromised in the attack, and credential material was stolen from OpenAI code repositories. The post OpenAI Hit by TanStack Supply Chain Attack appeared first on SecurityWeek.

The hacking group is encouraging miscreants to use the code in supply chain attacks, promising monetary rewards. The post TeamPCP Ups the Game, Releases Shai-Hulud Worm’s Source Code appeared first on SecurityWeek.

On Thursday, Microsoft shared mitigations for a high-severity Exchange Server vulnerability exploited in attacks that allow threat actors to execute arbitrary code via cross-site scripting (XSS) while targeting Outlook on the web users. [...]

The refresh resolves critical-severity use-after-free and other types of bugs in various browser components. The post Chrome 148 Update Patches Critical Vulnerabilities appeared first on SecurityWeek.

The zero-day, tracked as CVE-2026-20182, has been exploited in targeted attacks by a sophisticated threat actor identified as UAT-8616. The post Cisco Patches Another SD-WAN Zero-Day, the Sixth Exploited in 2026 appeared first on SecurityWeek.

Microsoft has disclosed a new security vulnerability impacting on-premise versions of Exchange Server that it said has come under active exploitation in the wild. The vulnerability, tracked as CVE-2026-42897 (CVSS score: 8.1), has been described as a spoofing bug stemming from a cross-site scripting flaw. An anonymous researcher has been credited with discovering and reporting the issue. "

The U.S.Cybersecurity and Infrastructure Security Agency (CISA) on Thursday added a newly disclosed vulnerability impacting Cisco Catalyst SD-WAN Controller to its Known Exploited Vulnerabilities (KEV) catalog, requiring Federal Civilian Executive Branch (FCEB) agencies to remediate the issue by May 17, 2026. The vulnerability is a critical authentication bypass tracked as CVE-2026-20182. It's

A Taiwanese student experimenting with software-defined radio technology shut down three bullet trains for nearly an hour, leading to an anti-terrorism response.

The TeamPCP hacker group is threatening to leak source code from the Mistral AI project unless a buyer is found for the data. [...]

Hackers are leveraging a critical authentication bypass vulnerability in the WordPress plugin Burst Statistics to obtain admin-level access to websites. [...]

The new acquisition looks to boost visibility into third-party ecosystems that are becoming a bigger concern as vectors for supply-chain attacks.

This is the second time this year a threat actor has leveraged a CVSS 10.0 vulnerability in Cisco's network control system.

The House Committee on Homeland Security sent a letter about the Canvas cyberattack, the same day that the edtech company said it reached an "agreement" with the ShinyHunters cybercriminals.

Cisco is warning that a critical Catalyst SD-WAN Controller authentication bypass flaw, tracked as CVE-2026-20182, was actively exploited in zero-day attacks that allowed attackers to gain administrative privileges on compromised devices. [...]

OpenAI says two employees' devices were breached in the recent TanStack supply chain attack that impacted hundreds of npm and PyPI packages, causing the company to rotate code-signing certificates for its applications as a precaution. [...]