What's happening in security
Breaches, credential dumps, actively exploited bugs and AI incidents — pulled from 5,669 items across public feeds, Have I Been Pwned and CISA KEV.
Biggest this week
- Westcon-Comstor posts record US$3.37B first-half sales as APAC demand for AI, cloud and cyber accelerates — Reseller News (NZ), 3d ago
- GitHub Octoverse 2026 — Simon Willison (AI), 4d ago
- Binance Suffers Security Breach Affecting $6.3 Billion in Assets, Nearly $3 Billion Frozen — The Hacker News, 3d ago
- Upwind Security Raises $400 Million at $3.8 Billion Valuation — SecurityWeek, 4d ago
- Binance hit by record $6.3 billion crypto hack, scrambles to freeze funds — The Record, 3d ago
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RMM Abuse: How Attackers Exploit Remote Access Tools | Huntress
RMM abuse jumped 277% & now shows up nearly 40% of Huntress investigations. See how attackers exploit trusted remote access tools, and how to stop it.
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Microsoft Defender's Own Driver Can Be Weaponized to Delete Security Software at Boot
Check Point Research has disclosed a technique that uses Microsoft Defender's own legitimately signed boot-time remediation driver to perform arbitrary kernel-level file and registry operations on Windows systems ranging from Wind…
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Microsoft confirms maximum severity flaw in Entra ID targeted for exploitation
The company said the remote-code execution vulnerability has been fully mitigated and no further action is necessary.
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Critical Isolated-vm Vulnerability Leads to RCE on Host
The type confusion bug can lead to V8 sandbox escape and control-flow hijacking of the host process. The post Critical Isolated-vm Vulnerability Leads to RCE on Host appeared first on SecurityWeek .
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CISA orders feds to patch actively exploited TrueConf Server flaws
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) ordered U.S. federal agencies to prioritize patching two actively exploited vulnerabilities in the TrueConf Server self-hosted communications platform. [...]
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Critical Microsoft Entra ID vulnerability exploited in the wild (CVE-2026-69836)
Microsoft has patched a critical remote code execution vulnerability (CVE-2026-69836) in Entra ID, reportedly exploited in the wild. Entra ID is Microsoft s cloud identity service, formerly Azure Active Directory, that verifies lo…
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Microsoft warns of max severity Entra ID flaw exploited in attacks
Microsoft has patched a maximum-severity vulnerability in the Entra ID identity and access management (IAM) platform that has been exploited in attacks. [...]
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Cisco Patches Nine Crosswork and Secure Workload Flaws, Five Scoring CVSS 10.0
Cisco has published another round of security updates for Crosswork platforms and Secure Workload Software as part of a continued comprehensive internal security review. Four of the security vulnerabilities affect Crosswork Data G…
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Microsoft Rolls Out 22 Fresh Security Patches
Most of the fixes resolve code execution, privilege escalation, and information disclosure vulnerabilities. The post Microsoft Rolls Out 22 Fresh Security Patches appeared first on SecurityWeek .
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Citrix urges customers to fix critical NetScaler authentication bypass (CVE-2026-19490)
Citrix has patched two vulnerabilities in NetScaler ADC and NetScaler Gateway, including a critical authentication bypass flaw tracked as CVE-2026-19490, and is urging customers to upgrade affected appliances as soon as possible. …
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CISA Urges Immediate Patching of Exploited TrueConf Vulnerabilities
The Head Mare hacktivist group has been exploiting the bugs to deploy the PhantomCore malware. The post CISA Urges Immediate Patching of Exploited TrueConf Vulnerabilities appeared first on SecurityWeek .
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GitLab CVE-2026-19478 Comes Under Active Exploitation Within Days of Disclosure
A newly disclosed security flaw in GitLab has come under active exploitation within days of public disclosure, according to watchTowr. The vulnerability in question is CVE-2026-19478 (CVSS score: 9.4), a case of code injection tha…
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Microsoft Entra ID Flaw (CVSS 10.0) Exploited in Wild, Allows Remote Code Execution
Microsoft on Thursday warned of a maximum-severity security flaw in Entra ID that it said has been exploited in the wild, but noted that no customer action is required. The vulnerability, tracked as CVE-2026-69836 (CVSS score: 10.…
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CVE-2026-69836: Microsoft Entra ID — Microsoft Entra ID Deserialization of Untrusted Data Vulnerability
Microsoft Entra ID formerly known as Azure Active Directory contains a deserialization of untrusted data vulnerability which could allow an unauthorized attacker to execute code over a network.
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CVE-2026-73570: Synacor Zimbra Collaboration Suite (ZCS) — Zimbra Collaboration Suite (ZCS) OS Command Injection Vulnerability
Zimbra Collaboration Suite (ZCS) contains an OS command injection vulnerability which could allow an unauthenticated attacker to send specially crafted SMTP requests that may result in execution of arbitrary operating system comma…
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ThreatsDay: Gogs 10.0 RCE, n8n Workflow-to-RCE, $10M Reward, GLM-5.3 AI Exploit and More
A lot of this week’s trouble starts with something trusted doing exactly what it was allowed to do. Signed drivers get turned against defenses. Legitimate apps help malware blend in. A weak header check opens a path to code execut…
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Hackers Target Zimbra Servers in Active Exploitation Campaign
Exploitation of the Zimbra Collaboration vulnerability CVE-2026-73570 has been observed by Poland’s CERT Polska. The post Hackers Target Zimbra Servers in Active Exploitation Campaign appeared first on SecurityWeek .
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Critical Elementor Pro bug exposes WordPress sites to RCE attacks
A critical vulnerability in the Elementor Pro WordPress plugin could allow attackers to upload executable files for remote code execution on the server. [...]
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Isolated-vm Flaw Lets Sandboxed JavaScript Escape to Host for Potential RCE
Cybersecurity researchers have disclosed a critical security flaw in isolated-vm, a popular open-source sandbox with more than 2,900 stars and 190 forks on GitHub, that could allow attackers to escape the confines of the isolated …
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Critical NetScaler Flaw Can Bypass Authentication on Certain Gateway and AAA Servers
Citrix has released updates to address two security flaws impacting NetScaler ADC and NetScaler Gateway deployments, including a critical-severity authentication bypass vulnerability. According to the cloud computing and virtualiz…
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Attackers Exploit Zimbra SNMP Flaw for Unauthenticated Remote Code Execution
A now-patched security flaw impacting Zimbra Collaboration (ZCS) has come under active exploitation in the wild, according to the Polish Computer Emergency Response Team (CERT Polska). The vulnerability in question is CVE-2026-735…
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BTR Reforged: Weaponizing Defender’s Remediation Driver as a Kernel Operation Primitive
Research by: Jiří Vinopal (@vinopaljiri) Abstract What if a trusted security component could be repurposed into an attacker-controlled kernel primitive? What if a signed Microsoft remediation driver could be instructed to execute …
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Atlassian, Splunk Patch Dozens of Critical, High-Severity Vulnerabilities
The flaws could be exploited to execute arbitrary code, access sensitive information, and elevate privileges. The post Atlassian, Splunk Patch Dozens of Critical, High-Severity Vulnerabilities appeared first on SecurityWeek .
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Citrix urges admins to patch new NetScaler flaws as soon as possible
Citrix has warned customers to immediately secure their systems against two vulnerabilities affecting NetScaler Gateway secure remote access solutions and NetScaler ADC networking appliances. [...]
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MLflow Vulnerability Exploited for Cloud Credential Theft
The critical-severity flaw allows attackers to send HTTP requests to internal endpoints and extract sensitive information. The post MLflow Vulnerability Exploited for Cloud Credential Theft appeared first on SecurityWeek .
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Cisco Patches Critical Crosswork, Secure Workload Vulnerabilities
The flaws could lead to remote code execution, authentication bypasses, and path traversal attacks. The post Cisco Patches Critical Crosswork, Secure Workload Vulnerabilities appeared first on SecurityWeek .
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CDN Tsunami Attack Abuses HTTP/3 Translation for Up to 350x DoS Amplification
Cybersecurity researchers have disclosed two denial-of-service (DoS) attacks that exploit how major content delivery networks (CDNs) convert client-facing HTTP/3 traffic into HTTP/1.1 requests to the websites they front, amplifyin…
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CISA warns of hackers exploiting critical MLflow vulnerability
The Cybersecurity and Infrastructure Security Agency (CISA) warned federal agencies that threat actors are now exploiting a critical vulnerability in the MLflow open-source AI engineering platform. [...]
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Identity Abuse Through Trusted Communication Channels
Unit 42 details how attackers exploit enterprise collaboration tools for identity phishing and credential theft. Discover key defense strategies. The post Identity Abuse Through Trusted Communication Channels appeared first on Uni…
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Critical Zimbra RCE flaw now actively exploited in attacks
CERT Polska, the Polish Computer Emergency Response Team (CERT), warned that attackers have begun exploiting a critical vulnerability in Zimbra Collaboration Suite (ZCS). [...]
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US agencies warn of AI-powered attacks on Siemens industrial controllers
Threat actors are using AI to write exploit scripts targeting internet-exposed Siemens S7 Series programmable logic controllers (PLCs) used across water, energy, manufacturing, and other critical infrastructure sectors, according …
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Exploitation Expected for Critical Authentication Bypass Patched in Citrix NetScaler
Remote, unauthenticated attackers could exploit the critical-severity flaw without user interaction. The post Exploitation Expected for Critical Authentication Bypass Patched in Citrix NetScaler appeared first on SecurityWeek .
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Critical GitLab Flaw Exploited Shortly After Disclosure
CVE-2026-19478 can be exploited without authentication to modify or delete public projects and user data. The post Critical GitLab Flaw Exploited Shortly After Disclosure appeared first on SecurityWeek .
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Elementor Pro Flaw Could Let Unauthenticated Attackers Upload PHP and Execute Code
Cybersecurity researchers have disclosed details of a critical flaw in the Elementor Pro WordPress plugin that, if successfully exploited, could lead to remote code execution. The vulnerability, tracked as CVE-2026-32475, carries …
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8,539 reasons to rethink how vulnerabilities get patched
The window for responding to newly disclosed security flaws is getting shorter. Exploit code can appear quickly, exploitability can be tested soon after disclosure, and organizations have a growing number of weaknesses to sort thr…
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CVE-2026-72530: TrueConf Server — TrueConf Server Code Injection Vulnerability
TrueConf Server contains a code injection vulnerability that could allow an unauthorized remote attacker with network access via port 4307/TCP to use a specially crafted script to break out of the isolated environment and execute …
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CVE-2026-72529: TrueConf Server — TrueConf Server Missing Authentication for Critical Function Vulnerability
TrueConf Server contains a missing authentication for critical function vulnerability which could allow a remote unauthorized attacker with network access via port 4307/TCP to execute an arbitrary script.
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NSA, FBI warns of hackers using AI-generated tools in attacks on critical infrastructure technology
The National Security Agency (NSA), FBI and other federal agencies said the campaign is targeting Siemens S7 Series PLCs and was being fueled by “AI-assisted development” alongside exploitation of known vulnerabilities.
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US warns of AI-powered attacks on Siemens PLCs in critical infrastructure
U.S. cybersecurity agencies warn that threat actors are using AI-generated scripts to exploit Siemens S7 Series programmable logic controllers (PLCs) in U.S. critical infrastructure. [...]
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CVE-2026-19490: Critical Vulnerability Affecting Citrix NetScaler ADC and NetScaler Gateway
Overview On August 19, 2026, a security advisory was published for CVE-2026-19490 , a critical authentication bypass vulnerability affecting Citrix NetScaler ADC and NetScaler Gateway. The vulnerability carries a CVSS v4.0 base sc…
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Password spraying attacks surge 155x as hackers exploit MFA gaps
Huntress observed a 155x increase in password spraying attacks in H1 2026, including a campaign that generated more than 81 million login attempts in two weeks. The attacks exploited legacy authentication and gaps in MFA policies …
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Critical macOS, SharePoint, vCenter, and Microsoft IKE Flaws Under Active Exploitation
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Tuesday added four critical vulnerabilities to its Known Exploited Vulnerabilities (KEV) catalog, stating they are being exploited in the wild. The shortcomings a…
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CISA Urges Immediate Patching of Exploited Microsoft, VMware, Apple Vulnerabilities
The flaws can be exploited for remote code execution, authentication bypass, and device takeover. The post CISA Urges Immediate Patching of Exploited Microsoft, VMware, Apple Vulnerabilities appeared first on SecurityWeek .
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Critical RCE flaw in Windows IKE Extension now actively exploited
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) warned that hackers are exploiting a critical-severity remote code execution (RCE) flaw in the Windows Internet Key Exchange (IKE) Service Extensions component. [...…
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943 Patches Rolled Out With Oracle’s August 2026 Security Update
The fixes resolve over 1,000 vulnerabilities across two dozen products, including over 460 remotely exploitable bugs. The post 943 Patches Rolled Out With Oracle s August 2026 Security Update appeared first on SecurityWeek .
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Chrome, Firefox Updates Patch Dozens of Vulnerabilities
The bugs could lead to code execution, privilege escalation, sandbox escape, and information disclosure. The post Chrome, Firefox Updates Patch Dozens of Vulnerabilities appeared first on SecurityWeek .
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CVE-2026-64849: MLflow MLflow — MLflow Server-Side Request Forgery Vulnerability
MLflow contains a server-side request forgery vulnerability that can allow attackers to reach internal or cloud metadata services and receive response_status and response_body.
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Critical GitLab Zero-Click Flaw Poses Mitigation Challenges
A lack of technical details could make it hard for organizations running self-managed GitLab versions to detect potential exploitation of CVE-2026-19478.
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Microsoft Copilot Personal Flaws Could Let One Click Exfiltrate Data From Connected Apps
Varonis Threat Labs has disclosed three vulnerabilities in Microsoft Copilot Personal that it said could allow a single click on a crafted link to silently pull data from connected apps and other information available to the victi…
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Attackers Exploit MLflow SSRF Flaw to Steal Cloud Credentials and Secrets
Two critical vulnerabilities impacting MLflow, an open-source artificial intelligence (AI) platform, and FUXA, an open-source, web-based SCADA / HMI software built for operational technology (OT) and industrial automation, are wit…
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