STONE-KNIGHT SECURITY

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…

The bug allowed attackers to gain full control of the victims’ systems and deploy the ForestTiger backdoor. The post Fresh Windows Zero-Day Exploited in North Korean Cyberattacks appeared first on SecurityWeek .

CISA has also published several advisories describing vulnerabilities in ICS and other OT products. The post ICS Patch Tuesday: Vulnerabilities Fixed by Siemens, Schneider, Phoenix Contact appeared first on SecurityWeek .

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…

CVE-2026-20349 can be exploited remotely without authentication against Secure Firewall ASA and FTD devices. The post Cisco Patches Firewall Zero-Day Exploited for DoS Attacks appeared first on SecurityWeek .

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…

A use-after-free in the afd.sys Windows kernel-mode driver has been exploited to gain SYSTEM privileges. The post August 2026 Patch Tuesday: Microsoft Fixes 421 CVEs, One Exploited Zero-Day appeared first on SecurityWeek .

Today is Microsoft's August 2026 Patch Tuesday, and with it comes security updates for a massive 400 flaws, including one actively exploited and two publicly disclosed zero-day vulnerabilities. [...]

Security researchers found a way to enter Microsoft SharePoint servers as any user, including an administrator, with no valid account. A significant part of the work that found it was done through an AI agent. The flaw, tracked as CVE-2026-55040 (CVSS 9.1), affects SharePoint Server Subscription Edition, SharePoint…

OpenAI on Monday unveiled a new cybersecurity-focused model called GPT‑5.6‑Cyber that it said is focused on vulnerability research, penetration testing, and incident response. "Built on GPT‑5.6 Sol, it is trained to improve capabilities on several specialized cybersecurity tasks (e.g., finding zero-day…

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…

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…

LiteLLM was compromised through the Trivy hack and abused to distribute information-stealing malware to its users. The post Over 2,500 Organizations Impacted by LiteLLM Supply Chain Attack appeared first on SecurityWeek .

The DeadLock ransomware operation is using a decentralized infrastructure that relies on blockchain-backed services to protect its communication with victims and data-leak activity. [...]

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.

Cybersecurity researchers have discovered a new version of the Kimwolf/AISURU Android and Internet of Things (IoT) botnet that comes with significant improvements to improve its operational resilience and conduct distributed denial-of-service (DDoS) attacks. The new version, tracked as Kimwolf v7, was discovered by…

The hackers claimed to have exfiltrated 6 terabytes of data, including highly sensitive health information like records related to sexual assault, mental health, abortions and sexual harassment incidents.

The Computer Emergency Response Team of Ukraine (CERT-UA) has disclosed details of a new social engineering campaign orchestrated by Russian nation-state threat actors targeting IT workers in the country by masquerading as recruiters to trick them into installing malware. CERT-UA pinned the activity on a threat…

The security defects could be exploited for arbitrary code execution and denial-of-service. The post Adobe Urges Immediate Patching of Critical ColdFusion, Campaign Classic Flaws appeared first on SecurityWeek .

The ransomware group known as DeadLock has been observed using decentralized infrastructure to facilitate victim communications and data leak operations in a bid to improve operational resilience. "Its recovery ecosystem combines the Session messaging network with blockchain-backed services that store and deliver…

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…

The vulnerabilities could be exploited to leak credentials for external SQL connections or crash an agent service. The post Ivanti EPM Update Patches Remotely Exploitable Flaws appeared first on SecurityWeek .

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…

Global supply chain and distribution giant Wesco has confirmed in a statement for BleepingComputer that it is investigating a cybersecurity incident. [...]

Mozilla announced today that it updated the GPG key used to sign Firefox and Thunderbird releases after it was accidentally exposed on GitHub. [...]

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

In the span of three weeks, OpenAI, Anthropic, and Meta have all disclosed AI agent sandbox escape events affecting real organizations.

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…

Hackers associated with the Russian threat group Sandworm have been targeting system administrators and IT professionals through fake job offers since at least May. [...]

The security defects could allow unauthenticated attackers to execute arbitrary code remotely and read sensitive data. The post SonicWall Patches Critical Vulnerabilities in Discontinued GMS Platform appeared first on SecurityWeek .

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. [...]

Microsoft today released updates to remedy at least 398 security vulnerabilities in its Windows operating systems and supported software, including one weakness that is already being actively exploited and two others that were publicly detailed prior to today.

Kerianne Tobitsch, who most recently served as a senior lawyer at the Homeland Security Department, is the NSA's new general counsel, sources told Recorded Future News.

Cisco is warning that a high-severity denial-of-service vulnerability in Secure Firewall ASA and Threat Defense (FTD) software is being actively exploited in attacks to remotely crash affected devices. [...]

Anyone sharing their screen on a Zoom call could have taken over the computers of everyone watching, and anyone watching could have taken over the presenter's. The flaw sat in the annotation tool, the feature that lets participants draw and type on a shared screen, and it asked nothing of the victim beyond being in…

Delta Air Lines is investigating an unauthorized Wi-Fi network that appeared aboard a flight from Las Vegas to Atlanta carrying passengers who had attended the DEF CON hacker convention. [...]

Microsoft has released Windows 10 KB5120249 Extended Security Updates for versions 22H2 and 21H2 to fix security vulnerabilities and bugs. [...]

Microsoft has released Windows 11 KB5121003 and KB5120240 cumulative updates for versions 25H2/24H2 and 23H2 to fix security vulnerabilities, bugs, and add new features. [...]

Impacting Zoom annotation, the bug could be exploited by a meeting participant to execute code on another participant’s machine. The post Zoom Patches Zero-Click Code Execution Vulnerability appeared first on SecurityWeek .

Operations at eight European warehouses belonging to France's CEVA Logistics have reportedly been disrupted by a cyberattack, and several other companies are feeling the effects.

AI agents can improvise beyond the intended scope of a task when they are given broad access to enterprise systems and data. Token Security explains why organizations need to define agent intent and continuously enforce permissions around what each agent was actually created to do. [...]

Municipalities in California, Oklahoma, Wisconsin and Texas are all recovering from disruptive cyberattacks that have affected government operations.

Proponents of the Kids Online Safety Act are cheering recent progress but acknowledge a long road ahead for legislation that, despite mounting political pressure, may be difficult to pass this session.

New research shows how attackers can use security alerts and blocked events to manipulate and hijack AI agents.

It's time to turn from CVSS-backed patching to choke-point patching focused on breaking chains to critical assets.

Sophisticated iPhone exploit chains previously limited to nation-states are spreading far and wide to organized cybercrime groups.

A public policy expert mapped global cybercrime laws to develop a five-point framework for protecting ethical hackers and good-faith security research.