STONE-KNIGHT SECURITY

Dropped on Patch Tuesday, the exploit allows any user to spawn a shell with System privileges. The post Nightmare Eclipse Drops Windows Zero-Day Exploit ‘ShieldBreak’ appeared first on SecurityWeek .

The trust framework underlying Belgium's electronic ID system was fully compromised by severe vulnerabilities in a key browser extension, showcasing bigger problems with extensions in general.

Threat actors have begun to exploit a newly disclosed Microsoft SharePoint vulnerability following the release of a proof-of-concept (PoC) code. The vulnerability in question is CVE-2026-55040 (CVSS score: 9.1), which refers to a critical security feature bypass that stems from weak authentication. It was patched by…

Attempts to exploit a critical vulnerability (CVE-2026-71362) in Adobe's Commerce and Magento e-commerce platforms have been detected, potentially allowing attackers to hijack customer accounts. [...]

The North Korean threat actor known as Lazarus Group has been attributed to the zero-day exploitation of a newly patched security flaw impacting Microsoft Windows to deliver a never-before-seen backdoor targeting defense and aerospace companies across France, Germany, Brazil, and India. The activity, per Check Point…

North Korean hackers have been exploiting a Windows zero-day vulnerability (CVE-2026-68820) to target defense-sector companies as part of the Operation Dream Job campaign. [...]

This month’s update features about five times the volume of patches Microsoft was shipping in a typical month before AI-assisted vulnerability discovery took hold.

Adobe has shipped updates to address multiple critical security vulnerabilities impacting ColdFusion, Commerce, and Campaign Classic that, if successfully exploited, could result in arbitrary code execution and privilege escalation. The most severe of the flaws are listed below - CVE-2026-48362 (CVSS score: 10.0) -…

Intel has informed customers about several high-severity vulnerabilities that can lead to privilege escalation and even code execution. The post Chipmaker Patch Tuesday: Intel, AMD Fix Over 80 Vulnerabilities Combined appeared first on SecurityWeek .

Nightmare Eclipse has released a new Microsoft Defender zero-day exploit named "ShieldBreak" after Microsoft released the August 2026 Patch Tuesday security updates. [...]

Threat actors have begun to actively exploit a recently patched critical security flaw in Broadcom VMware vCenter, according to new findings from QUIRSO. The vulnerability in question is CVE-2026-59310 (CVSS score: 9.8), a directory-traversal vulnerability in the VMware vCenter server that a malicious actor with…

SAP has released patches to address a maximum-severity security flaw impacting Commerce Cloud (Data Hub Adapter) that could result in arbitrary code execution. The vulnerability, assigned the CVE identifier CVE-2026-58231, is rated 10.0 on the CVSS scoring system. It has been described as a case of insufficient…

The security researcher going by the name Chaotic Eclipse (aka INFINITE NIGHTMARE, MSNightmare, and Nightmare-Eclipse) has released a proof-of-concept (PoC) for a new Microsoft zero-day called ShieldBreak. The vulnerability, rooted in Microsoft Defender for Windows, demonstrates a patch bypass for CVE-2026-50656…

Cisco has warned that a new vulnerability impacting Secure Firewall Adaptive Security Appliance (ASA) Software and Secure Firewall Threat Defense (FTD) Software has been exploited in the wild. The high-severity flaw, tracked as CVE-2026-20349 (CVSS score: 8.6), is a case of insufficient error checking when processing…

Security experts say prioritization should be the main focus for the August updates, not the massive CVE volume.

Microsoft released its monthly security updates on Tuesday, and one of the flaws it closed is already being used in attacks. The bug sits in a core Windows kernel driver that handles network socket operations. An attacker with code already running on a machine can use it to escalate to SYSTEM. That patch goes out…

Added to KEV 2026-08-11. Required action: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or…

Added to KEV 2026-08-11. Required action: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or…

An ongoing data theft campaign uses custom tools to steal data exposed to anonymous users through Salesforce Experience Cloud and ServiceNow customer portals. [...]

A new Android NFC relay malware called WindRelay is being used alongside the SpyNote remote administration tool (RAT) to steal live card data and send it to attackers in real time. [...]

The "City-Forum" campaign has been active since at least March 2025 and has targeted organizations across multiple sectors with custom tooling.

Attackers continue to target critical infrastructure and government-linked organizations in the country, mirroring the increased activity across Latin America.

Researchers observed the novel campaign exploiting unauthenticated guest access to quietly enumerate and exfiltrate exposed data from both platforms. The post Stealthy ‘City-Forum’ Attacks Target Salesforce and ServiceNow With Custom Toolset appeared first on SecurityWeek .

Researchers disclosed the bug to Microsoft after examining a long-running campaign by North Korean hackers to exploit the job application process.

The ransomware-as-a-service operation is finding success against critical infrastructure targets with leaked Conti code and old flaws in firewalls and VPN appliances.

The Federal Bureau of Investigation (FBI) said today it worked with industry partners to seize hundreds of domains associated with NetNut, a sprawling residential proxy service operated by the publicly-traded Israeli company Alarum Technologies [NASDAQ: ALAR]. The action comes roughly two weeks after KrebsOnSecurity…

For the past four years, a sprawling Android-based botnet called Popa has forced millions of consumer TV boxes to relay Internet traffic linked to advertising fraud, account takeovers, and mass data-scraping efforts. This week, researchers from multiple security firms concluded that the Popa botnet is linked to…

Leaked passwords, social engineering and spoofed social media sites are among the tools hackers are using to gather individuals' private content and sell it online, the FBI said.

Security researchers have disclosed new "Plug and Pwn" attacks that abuse the Windows Plug and Play feature to trigger Windows into installing vulnerable or insecure vendor software and gain SYSTEM privileges. [...]

Unread antivirus alerts and an unpatched content management system exposed Britain's ACRO to three separate data breaches, according to a reprimand notice.

A newly disclosed flaw in the way OpenAI, Anthropic, and Google carried hidden AI reasoning between API calls let researchers recover internal reasoning and secrets from session logs, including API keys and passwords. The weakness affected encrypted reasoning objects used by the providers' reasoning APIs, where a…

Two malicious LiteLLM releases sat on PyPI for about 40 minutes in March carrying credential-stealing code capable of harvesting cloud keys, SSH keys, Kubernetes tokens, database passwords, and other secrets from systems that installed them. Threat intelligence firm CloudSEK now says a dataset it obtained, built from…

Attacks targeting water systems just keep flowing across a dozen states, against ill-secured, Internet-exposed PLCs.

The Cybersecurity and Infrastructure Security Agency (CISA) has issued a postmortem on a data leak in which a contractor published dozens of internal CISA credentials -- including AWS Govcloud keys -- in a public GitHub repository for almost six months before being notified by KrebsOnSecurity. Experts say the gaps…

The vulnerabilities could allow attackers to log in with random usernames and passwords or impersonate any FortiGate appliance. The post Fortinet Patches Authentication Flaws in FortiWeb and FortiManager appeared first on SecurityWeek .

Researchers discovered hackers-for-hire performing cyber espionage and financially motivated heists from the same Web panel.

Contracts may require a $1 million bond, which will be forfeited if a company fails to comply with operational requirements. The post White House Mobilizes Security Firms for Operations Against Foreign Cybercrime Gangs appeared first on SecurityWeek .

Tracked as CVE-2026–59310, the directory traversal bug allows remote attackers to execute arbitrary code. The post Critical VMware vCenter Vulnerability in Attackers’ Crosshairs appeared first on SecurityWeek .

More than 737 browser extensions published on the Chrome Web Store impersonated well-known VPN and proxy services while routing users' traffic through SOCKS5 proxies operated by a single provider. [...]

Walmart co-locates red and blue teams to build trust and improve security through collaborative purple teaming exercises

The vulnerability was patched by Microsoft in July and CISA warned that it could end up being exploited in the wild. The post SharePoint Vulnerability Exploited Shortly After PoC Release appeared first on SecurityWeek .

The FBI warns that cybercriminals are targeting adults' and children's social media and other online accounts to steal sexually explicit images or videos. [...]

A massive set of 737 free VPN and proxy extensions have been found to mainly target Russian-speaking users seeking access to blocked services with an aim to intercept browser traffic and route them through a proxy infrastructure. The extensions, published across at least 40 Chrome Web Store developer accounts, racked…

Fake remote workers can exploit gaps between hiring checks, device delivery, and account access to enter organizations under false identities. Specops Software explains how document verification and biometric liveness checks can help organizations confirm that the person receiving access is the legitimate new hire.…

The cybersecurity startup will use the fresh investment to scale its product, engineering, sales, and marketing teams. The post Mindgard Raises $30 Million to Protect AI Systems appeared first on SecurityWeek .

Signal has also made a security announcement: an automatic key verification feature to complement its safety number system. The post WhatsApp Unveils New Scam Alert Feature appeared first on SecurityWeek .

The big-box giant has scaled its defenses by encouraging trust and innovation. Good communications, transparency, and team spirit are key factors.

Hackers have already begun using a proof-of-concept (PoC) exploit for a critical Microsoft SharePoint vulnerability, published by cybersecurity company Rapid7 on Tuesday. [...]

Enterprise defenses are tuned to catch the attacks that make noise. This year's data shows attackers winning by making none. According to Picus Labs' new Blue Report 2026, which measured more than 338 million real attack simulations across actual client production environments in the first half of 2026, defenses are…

Affecting European contract logistics operations at eight Ceva warehouses, the incident caused shipment delays for multiple customers. The post Ceva Logistics Operations Disrupted by Cyberattack appeared first on SecurityWeek .

​Signal has introduced Automatic Key Verification, a new security feature that gives users a new way to ensure their encrypted chats haven't been intercepted. [...]

Google says Chrome's anti-abuse systems reduced unwanted notifications on Android by more than 7 billion per day during the first quarter of 2026. [...]