Tag: vulnerability
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Chaotic Eclipse Released BigDiskBuster, A PoC For Windows Defender Update DoS Zero-Day
The researcher Chaotic Eclipse released BigDiskBuster, a PoC exploit for a Windows Defender UpdateDoS Zero-Day vulnerability. Security researcher Chaotic Eclipse, also known as INFINITE NIGHTMARE, MSNightmare and Nightmare-Eclipse, released a new zero-day exploit targeting Microsoft Defender. The researcher named the exploit BigDiskBuster, it triggers a Denial of Service Vulnerability in Windows Defender Update. The security researcher…
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Acronis untersucht internationale N-Day-Kampagne – Red Heron nutzt Gitea-Schwachstelle und versteckt sich mit Linux-Rootkit
First seen on security-insider.de Jump to article: www.security-insider.de/red-heron-gitea-cve-2026-60004-rootkit-a-8bb42f76f7eb155b74367327b6731fd9/
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Critical Linux KVM Flaw Enables GuestHost Escape on ARM64 Systems
A critical vulnerability in the Linux Kernel-based Virtual Machine (KVM) for ARM64 systems could let attackers escape a virtual machine and gain read and write access to host kernel memory. This flaw, tracked as CVE-2026-89775, specifically affects ARM64 hosts with nested virtualization enabled and has been addressed in the mainline Linux kernel. Security researcher Hyunwoo…
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D-Link warns of max severity zero-day bug in DIR-822A routers
D-Link warned customers of a maximum-severity vulnerability (CVE-2026-86296) with public proof-of-concept (PoC) exploit code and no patch, affecting legacy DIR-822A dual-band Wi-Fi routers. First seen on bleepingcomputer.com Jump to article: www.bleepingcomputer.com/news/security/d-link-warns-of-max-severity-zero-day-bug-in-dir-822a-routers/
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SharePoint Flaw Initially Listed as Spoofing by Microsoft Enables Authenticated RCE
A SharePoint Server vulnerability that Microsoft initially classified as a spoofing flaw with a CVSS score of 6.5 actually enables authenticated remote code execution, according to full technical details published today by Viettel Cyber Security researcher Dinh Ho Anh Khoa.The flaw, CVE-2026-65660, affects SharePoint Server 2016, 2019, and Subscription Edition. Patches have been First seen…
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Attacker compromised nearly 1000 Zyxel switches since August (CVE-2026-7273)
A Chinese-speaking threat actor has exploited a vulnerability (CVE-2026-7273) in unpatched ZyXEL GS1900 Smart Managed Switches and has exfiltrated sensitive data from 996 … First seen on helpnetsecurity.com Jump to article: www.helpnetsecurity.com/2026/09/22/zyxel-switches-cve-2026-7273-vulnerability-exploited/
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Hackers Exploit Veeam Agent Vulnerability to Gain SYSTEM-Level Access on Windows
A newly discovered privilege escalation flaw in Veeam Agent for Microsoft Windows could allow attackers with local access to compromised endpoints to execute commands as NT AUTHORITY\SYSTEM. Public proof-of-concept (PoC) code for CVE-2026-32996 was released on September 14, increasing the urgency for organizations to patch affected Veeam deployments. CVE-2026-32996 impacts Veeam Agent for Microsoft Windows…
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Red Hat OpenShift Flaw Lets Attackers Poison Disconnected Registries With Malicious Releases
Red Hat disclosed an important OpenShift vulnerability that could let attackers bypass release-image signature checks and introduce malicious payloads into disconnected registries. This issue, tracked as CVE-2026-75939, affects the `openshift/oc-mirror` tool and has a preliminary CVSS v3.1 score of 7.4. Administrators use `oc-mirror` to retrieve release images from upstream sources and then copy them to…
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Critical MaxKB AI Agent Flaw Lets Prompt Injection Execute System Commands
A critical vulnerability in the MaxKB AI knowledge-base platform could let attackers exploit prompt injection and run operating system commands on vulnerable deployments, including directly on the underlying host in some configurations. This flaw, tracked as CVE-2026-77521 and GHSA-f36j-f34j-h3rx, affects MaxKB versions up to and including 2.10.3-lts. The issue has received a maximum CVSS v3.1…
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U.S. CISA adds Zyxel flaw to its Known Exploited Vulnerabilities catalog
U.S. Cybersecurity and Infrastructure Security Agency (CISA) adds Zyxel flaw to its Known Exploited Vulnerabilities catalog. The U.S. Cybersecurity and Infrastructure Security Agency (CISA) added a Zyxel GS1900 Series Switches flaw, tracked as CVE-2026-7273 (CVSS score of 8.8), to its Known Exploited Vulnerabilities (KEV) catalog. The flaw is a stack-based buffer overflow that could allow attackers…
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U.S. CISA adds Zyxel flaw to its Known Exploited Vulnerabilities catalog
U.S. Cybersecurity and Infrastructure Security Agency (CISA) adds Zyxel flaw to its Known Exploited Vulnerabilities catalog. The U.S. Cybersecurity and Infrastructure Security Agency (CISA) added a Zyxel GS1900 Series Switches flaw, tracked as CVE-2026-7273 (CVSS score of 8.8), to its Known Exploited Vulnerabilities (KEV) catalog. The flaw is a stack-based buffer overflow that could allow attackers…
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U.S. CISA adds Zyxel flaw to its Known Exploited Vulnerabilities catalog
U.S. Cybersecurity and Infrastructure Security Agency (CISA) adds Zyxel flaw to its Known Exploited Vulnerabilities catalog. The U.S. Cybersecurity and Infrastructure Security Agency (CISA) added a Zyxel GS1900 Series Switches flaw, tracked as CVE-2026-7273 (CVSS score of 8.8), to its Known Exploited Vulnerabilities (KEV) catalog. The flaw is a stack-based buffer overflow that could allow attackers…
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U.S. CISA adds Zyxel flaw to its Known Exploited Vulnerabilities catalog
U.S. Cybersecurity and Infrastructure Security Agency (CISA) adds Zyxel flaw to its Known Exploited Vulnerabilities catalog. The U.S. Cybersecurity and Infrastructure Security Agency (CISA) added a Zyxel GS1900 Series Switches flaw, tracked as CVE-2026-7273 (CVSS score of 8.8), to its Known Exploited Vulnerabilities (KEV) catalog. The flaw is a stack-based buffer overflow that could allow attackers…
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How to Use AI With Your Privacy Intact
Your conversations with AI chatbots are both highly personal and deeply vulnerable to surveillance. Here’s how you can protect yourself. First seen on wired.com Jump to article: www.wired.com/story/how-to-use-ai-with-your-privacy-intact/
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How to Use AI With Your Privacy Intact
Your conversations with AI chatbots are both highly personal and deeply vulnerable to surveillance. Here’s how you can protect yourself. First seen on wired.com Jump to article: www.wired.com/story/how-to-use-ai-with-your-privacy-intact/
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CISA orders feds to patch Zyxel flaw exploited for data theft
Attackers are now actively exploiting a high-severity vulnerability in Zyxel GS1900 series switches, according to the U.S. Cybersecurity and Infrastructure Security Agency (CISA). First seen on bleepingcomputer.com Jump to article: www.bleepingcomputer.com/news/security/cisa-orders-feds-to-patch-actively-exploited-zyxel-flaw-by-thursday/
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Chinese APT Clones Legitimate Websites to Deliver Chrome and Windows Zero-Day Exploits
A third Chinese threat actor has been linked to phishing campaigns that cloned trusted websites and chained Chrome and Windows zero-day exploits to deploy a previously undocumented backdoor. The activity occurred on September 3 and 4, 2026, while the targeted vulnerabilities remained unpatched in Google Chrome. It followed Volexity’s September 9 disclosure that UTA0560 and…
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D-Link DIR-822A Router Vulnerability Scores CVSS 10.0 With Public PoC Available
D-Link has announced a critical stack-based buffer overflow vulnerability affecting the non-US DIR-822A router, identified as CVE-2026-86296. This vulnerability has received a maximum CVSS v3.1 score of 10.0 and a CVSS v4.0 score of 10.0. Furthermore, a public proof-of-concept (PoC) exploit is reportedly available. The company published advisory SAP10516 on September 18 and updated it…
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CISA Flags Actively Exploited Flaw in Zyxel GS1900 Switches
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has included a high-severity vulnerability affecting Zyxel GS1900 Series switches in its Known Exploited Vulnerabilities (KEV) Catalog. This warning highlights that the flaw, tracked as CVE-2026-7273, has been exploited in the wild. The vulnerability stems from a stack-based buffer overflow in the device’s CGI program. CISA added…
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How to Use AI With Your Privacy Intact
Your conversations with AI chatbots are both highly personal and deeply vulnerable to surveillance. Here’s how you can protect yourself. First seen on wired.com Jump to article: www.wired.com/story/how-to-use-ai-with-your-privacy-intact/
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NTU uses AI agents to uncover flaws in mobile networks
Nanyang Technological University’s agentic AI tool checks mobile core network code against 3GPP specifications and has found 84 vulnerabilities, including one that lets an attacker hijack a subscriber’s internet session First seen on computerweekly.com Jump to article: www.computerweekly.com/news/366650777/NTU-uses-AI-agents-to-uncover-flaws-in-mobile-networks
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Hackers Exploit WordPress CVE-2026-63030 and CVE-2026-60137 to Steal Government Data
A suspected Chinese-speaking threat actor has exploited the critical WordPress “wp2shell” vulnerability chain to compromise government and small-business targets across 29 countries, stealing at least 18,566 sensitive records from one Western government organization. GreyNoise linked the activity to a malicious cyber actor (MCA) it has tracked through its Global Observation Grid since early June. The…
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Zyxel and Veeam Flaws Under Active Exploitation With Command and SYSTEM Access
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Monday added a now-patched security flaw impacting Zyxel GS1900 series switches to its Known Exploited Vulnerabilities (KEV) catalog, citing evidence of active exploitation.The vulnerability, tracked as CVE-2026-7273 (CVSS score: 8.8), is a stack-based buffer overflow vulnerability that could result in arbitrary operating First seen on thehackernews.com…
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Zyxel and Veeam Flaws Under Active Exploitation With Command and SYSTEM Access
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Monday added a now-patched security flaw impacting Zyxel GS1900 series switches to its Known Exploited Vulnerabilities (KEV) catalog, citing evidence of active exploitation.The vulnerability, tracked as CVE-2026-7273 (CVSS score: 8.8), is a stack-based buffer overflow vulnerability that could result in arbitrary operating First seen on thehackernews.com…
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Schwachstelle im Funkmodem Pixel-Logikfehler ermöglicht Rechteausweitung
First seen on security-insider.de Jump to article: www.security-insider.de/pixel-modem-sicherheitsluecke-cve-2026-58704-a-b1cf4bab344fcbb61def8254f9446ad7/
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Meta’s Muse AI 0-Day Lets Hackers Hijack Dictation Traffic and Inject Malicious Prompts
A recent proof-of-concept (PoC) developed by security researcher Patrick Wardle reveals a local zero-day vulnerability in the Muse application. This vulnerability allows malware running under the logged-in user’s account to redirect dictation traffic to a server controlled by an attacker. Meta’s Muse AI 0-Day The issue is documented in Wardle’s >>not-a-mused<< research repository. It focuses…
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21st September Threat Intelligence Report
Tags: breach, data, data-breach, exploit, government, intelligence, service, threat, vpn, vulnerabilityJapan’s Digital Agency, which operates the Government Solution Service used by multiple ministries, has confirmed a data breach after attackers exploited a vulnerability in a VPN appliance. Approximately 246,000 records were exposed, […] First seen on research.checkpoint.com Jump to article: research.checkpoint.com/2026/21st-september-threat-intelligence-report/
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CISA alerts of active exploitation of three Linux kernel flaws
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) is warning that hackers are exploiting three Linux kernel vulnerabilities, one of them rated critical. First seen on bleepingcomputer.com Jump to article: www.bleepingcomputer.com/news/security/cisa-alerts-of-active-exploitation-of-three-linux-kernel-flaws/
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Black Hat USA 2026: Machine Speed, Human Consequence
ISMG Pulse Report Covers AI Attack Surface, Vulnerability Management and Identity. ISMG’s Pulse Report: Machine Speed, Human Consequence includes six chapters examining the agentic attack surface, vulnerability management, identity and authority, adversary operations, governance and liability, and the changing role of cybersecurity professionals. First seen on govinfosecurity.com Jump to article: www.govinfosecurity.com/black-hat-usa-2026-machine-speed-human-consequence-a-32877
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WordPress Click2Shell flaw lets hackers execute PHP on the server
Technical details and a proof-of-concept exploit have been published for a new WordPress cross-site request forgery (CSRF) vulnerability dubbed ‘Click2Shell’ that affects the platform’s Core component. First seen on bleepingcomputer.com Jump to article: www.bleepingcomputer.com/news/security/wordpress-click2shell-flaw-lets-hackers-execute-php-on-the-server/