Tag: zero-day
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0-Day RCE Flaw in SonicWall SMA Devices Exploited to Launch OVERSTEP Ransomware
Tags: access, breach, credentials, cyber, cyberattack, exploit, flaw, google, group, intelligence, mobile, ransomware, rce, remote-code-execution, threat, zero-dayGoogle’s Threat Intelligence Group (GTIG) has uncovered a sophisticated cyberattack campaign targeting end-of-life SonicWall Secure Mobile Access (SMA) 100 series appliances, where threat actors are exploiting previously stolen credentials and deploying a new rootkit called OVERSTEP. The financially motivated group, tracked as UNC6148, has been operating since at least October 2024 and is suspected of…
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Fully Patched SonicWall Gear Under Likely Zero-Day Attack
A threat actor with likely links to the Abyss ransomware group is leveraging an apparent zero-day vulnerability to deploy the Overstep backdoor on fully up-to-date appliances. First seen on darkreading.com Jump to article: www.darkreading.com/remote-workforce/fully-patched-sonicwall-gear-zero-day-attack
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Update Google Chrome to fix actively exploited zero-day (CVE-2025-6558)
For the fifth time this year, Google has patched a Chrome zero-day vulnerability (CVE-2025-6558) exploited by attackers in the wild. About CVE-2025-6558 CVE-2025-6558 is a … First seen on helpnetsecurity.com Jump to article: www.helpnetsecurity.com/2025/07/16/update-google-chrome-to-fix-actively-exploited-zero-day-cve-2025-6558/
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Google’s AI ‘Big Sleep’ Detects Critical SQLite 0-Day, Halts Ongoing Attacks
Tags: ai, attack, cyber, cybersecurity, exploit, google, intelligence, threat, vulnerability, zero-dayGoogle’s artificial intelligence agent >>Big Sleep
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CVE-2025-6554 marks the fifth actively exploited Chrome Zero-Day patched by Google in 2025
Google released security patches to address multiple Chrome vulnerabilities, including one flaw that has been exploited in the wild. Google released fixes for six Chrome flaws, including one actively exploited in the wild tracked as CVE-2025-6558 (CVSS score of 8.8). CVE-2025-6558 stems from improper validation of untrusted input in Chrome’s ANGLE and GPU components. Clément…
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Google fixes actively exploited sandbox escape zero day in Chrome
Google has released a security update for Chrome to address half a dozen vulnerabilities, one of them actively exploited by attackers to escape the browser’s sandbox protection. First seen on bleepingcomputer.com Jump to article: www.bleepingcomputer.com/news/security/google-fixes-actively-exploited-sandbox-escape-zero-day-in-chrome/
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Google Chrome 0-Day Vulnerability Under Active Exploitation
Google has released an emergency security update for Chrome 138 to address a critical zero-day vulnerability that is actively being exploited in the wild. The vulnerability, tracked as CVE-2025-6558, affects the browser’s ANGLE and GPU components and has prompted immediate action from Google’s security team to protect users from ongoing attacks. Critical Zero-Day Vulnerability Discovered…
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Adversary Infrastructure and Indicators Behind the SAP NetWeaver 0-Day Exploitation
On the 27th of March 2025, we’ve seen a previously unknown vulnerability (now tagged as CVE-2025-31324) in SAP NetWeaver Visual Composer being exploited in the First seen on research.kudelskisecurity.com Jump to article: research.kudelskisecurity.com/2025/07/14/adversary-infrastructure-and-indicators-behind-the-sap-netweaver-0-day-exploitation/
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WinRAR 0″‘Day Exploit Listed for $80K on Dark Web Forum
A sophisticated zero-day exploit targeting WinRAR, one of the world’s most popular file compression utilities, has surfaced on a dark web marketplace with a hefty price tag of $80,000. The previously unknown remote code execution (RCE) vulnerability affects both the latest and earlier versions of the widely-used software, raising significant concerns for millions of users…
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The zero-day that could’ve compromised every Cursor and Windsurf user
Learn how one overlooked flaw in OpenVSX discovered by Koi Secureity could’ve let attackers hijack millions of dev machines via an extension supply chain attack. The zero-day threat’s been patched”, but the wake-up call is clear: extensions are a new, massive supply chain risk. First seen on bleepingcomputer.com Jump to article: www.bleepingcomputer.com/news/security/the-zero-day-that-couldve-compromised-every-cursor-and-windsurf-user/
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Nippon Steel IT Subsidiary Hit by Zero-Day Attack, Causing Data Breach
Personal data of Nippon Steel Solutions’ customers, partners and employees may be compromised First seen on infosecurity-magazine.com Jump to article: www.infosecurity-magazine.com/news/nippon-steel-it-subsidiary-0day/
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Exploit details released for Citrix Bleed 2 flaw affecting NetScaler
Tags: access, advisory, authentication, backdoor, backup, citrix, credentials, cve, data-breach, endpoint, exploit, flaw, leak, mitigation, password, theft, tool, vulnerability, zero-daySimilarities to the original Citrix Bleed: CVE-2025-5777 has been dubbed Citrix Bleed 2 due to its similarities to a zero-day information disclosure vulnerability fixed in October 2023 (CVE-2023-4966) that received the Citrix Bleed moniker because it enabled attackers to leak session tokens from memory, allowing for session takeover with multifactor authentication bypass.Similarly, CVE-2025-5777 can lead…
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North American APT Uses Exchange Zero-Day to Attack China
Stories about Chinese APTs attacking the US and Canada are plentiful. In a turnabout, researchers found what they believe is a North American entity attacking a Chinese entity, thanks to a mysterious issue in Microsoft Exchange. First seen on darkreading.com Jump to article: www.darkreading.com/cyberattacks-data-breaches/north-american-apt-exchange-zero-day-attacks-china
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Nippon Steel Solutions suffered a data breach following a zero-day attack
Tags: attack, breach, cloud, cybersecurity, data, data-breach, exploit, hacker, network, vulnerability, zero-dayNippon Steel Solutions reported a data breach caused by hackers exploiting a zero-day vulnerability in their network equipment. Nippon Steel Solutions, a subsidiary of Japan’s Nippon Steel, disclosed a data breach, attackers exploited a zero-day vulnerability. The company provides cloud and cybersecurity services. On March 7, 2025, Nippon Steel Solutions detected suspicious server activity and…
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July Patch Tuesday brings over 130 new flaws to address
Microsoft patched well over 100 new common vulnerabilities and exposures on the second Tuesday of the month, but its latest update is mercifully light on zero-days First seen on computerweekly.com Jump to article: www.computerweekly.com/news/366627196/July-Patch-Tuesday-brings-over-130-new-flaws-to-address
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Microsoft Patches 137 CVEs in July, but No Zero-Days
Some 17 of the bugs are at high risk for exploits, including multiple remote code execution bugs in Office and SharePoint. First seen on darkreading.com Jump to article: www.darkreading.com/application-security/microsoft-patches-137-cves-no-zero-days
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Microsoft Patch Tuesday: One Zero-Day and A Potential ‘Wormable’ Flaw
CVE-2025-47981 has the “unfortunate hallmarks of becoming a significant problem,” said WatchTowr’s CEO First seen on infosecurity-magazine.com Jump to article: www.infosecurity-magazine.com/news/microsoft-patch-tuesday-july-2025/
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July 2025 Patch Tuesday: 130 Vulnerabilities Addressed
Microsoft’s latest Patch Tuesday release of fixes for 130 vulnerabilities did not include any updates for zero-day flaws that are currently being exploited. Still, the company acknowledged that one of the patched issues had already been made public before the… First seen on sensorstechforum.com Jump to article: sensorstechforum.com/july-2025-patch-tuesday-130-vulnerabilities-addressed/
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Microsoft Security Update Summary (8. Juli 2025)
Microsoft hat am 8. Juli 2025 Sicherheitsupdates für Windows-Clients und -Server, für Office sowie für weitere Produkte veröffentlicht. Die Sicherheitsupdates beseitigen 128 Schwachstellen (CVEs), eine davon wurde als 0-day klassifiziert. Nachfolgend findet sich ein kompakter Überblick über diese … First seen on borncity.com Jump to article: www.borncity.com/blog/2025/07/08/microsoft-security-update-summary-8-juli-2025/
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Microsoft Patch Tuesday security updates for July 2025 fixed a zero-day
Microsoft released Patch Tuesday security updates for July 2025, which addressed 130 flaws, including one a Microsoft SQL Server zero-day. Microsoft Patch Tuesday security updates for July 2025 addressed 130 vulnerabilities in Windows and Windows Components, Office and Office Components, .NET and Visual Studio, Azure, Teams, Hyper-V, Windows BitLocker, Microsoft Edge (Chromium-based), and the Windows…
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Microsoft July 2025 Patch Tuesday fixes one zero-day, 137 flaws
Today is Microsoft’s July 2025 Patch Tuesday, which includes security updates for 137 flaws, including one publicly disclosed zero-day vulnerability in Microsoft SQL Server. First seen on bleepingcomputer.com Jump to article: www.bleepingcomputer.com/news/microsoft/microsoft-july-2025-patch-tuesday-fixes-one-zero-day-137-flaws/
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Microsoft Patch Tuesday July 2025: 130 Vulnerabilities Patched, Including 1 Zero-Day and 41 RCE Flaws
Tags: cyber, flaw, microsoft, rce, remote-code-execution, risk, software, update, vulnerability, zero-dayMicrosoft released its July 2025 Patch Tuesday security updates on July 8, 2025, addressing 130 vulnerabilities across its software ecosystem, including one publicly disclosed zero-day vulnerability and numerous critical security flaws that pose significant risks to organizations worldwide. The July 2025 security update represents a substantial patch cycle, with 14 vulnerabilities rated as >>Critical
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NightEagle APT Unleashes Custom Malware and Zero-Days to Infiltrate Industrial Systems
The advanced attack campaigns of a top Advanced Persistent Threat (APT) group known as >>NightEagle,
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NightEagle hackers exploit Microsoft Exchange flaw to spy on China’s strategic sectors
Attackers pursued stealthy persistence: Following successful exploitation of the zero-day, attackers deploy a modified Go-based version of Chisel, an open-source SOCKS tunneling tool, scheduling it to run every four hours and establish covert tunnels to their C2 servers.This allowed them to move in and out of the network whenever they wanted, enabling persistence for over…
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âš¡ Weekly Recap: Chrome 0-Day, Ivanti Exploits, MacOS Stealers, Crypto Heists and More
Everything feels secure”, until one small thing slips through. Even strong systems can break if a simple check is missed or a trusted tool is misused. Most threats don’t start with alarms”, they sneak in through the little things we overlook. A tiny bug, a reused password, a quiet connection”, that’s all it takes.Staying safe…
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“NightEagle” APT Group Soars Over China’s Critical Tech: Zero-Days, Exchange Exploits, and Tailored Espionage
The post “NightEagle” APT Group Soars Over China’s Critical Tech: Zero-Days, Exchange Exploits, and Tailored Espionage appeared first on Daily CyberSecurity. First seen on securityonline.info Jump to article: securityonline.info/nighteagle-apt-group-soars-over-chinas-critical-tech-zero-days-exchange-exploits-and-tailored-espionage/
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NightEagle APT Exploits Microsoft Exchange Flaw to Target China’s Military and Tech Sectors
Tags: apt, china, cybersecurity, defense, exploit, flaw, government, microsoft, military, network, technology, threat, zero-dayCybersecurity researchers have shed light on a previously undocumented threat actor called NightEagle (aka APT-Q-95) that has been observed targeting Microsoft Exchange servers as a part of a zero-day exploit chain designed to target government, defense, and technology sectors in China.According to QiAnXin’s RedDrip Team, the threat actor has been active since 2023 and has…
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China-linked group Houken hit French organizations using zero-days
China-linked group Houken hit French govt, telecom, media, finance and transport sectors using Ivanti CSA zero-days, says France’s ANSSI. France’s cyber agency ANSSI revealed that a Chinese hacking group used Ivanti CSA zero-days to target government, telecom, media, finance, and transport sectors. The campaign, active since September 2024, is linked to the Houken intrusion set,…
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China-linked attacker hit France’s critical infrastructure via trio of Ivanti zero-days last year
French authorities said government agencies and businesses spanning telecom, media, finance and transportation were impacted by the widely exploited Ivanti vulnerabilities. First seen on cyberscoop.com Jump to article: cyberscoop.com/france-government-ivanti-zero-days-china/
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AI Tackles Binary Code Challenges to Fortify Supply Chain Security
Analyzing binary code helps vendors and organizations detect security threats and zero-day vulnerabilities in the software supply chain, but it doesn’t come without challenges. It looks like AI has come to the rescue. First seen on darkreading.com Jump to article: www.darkreading.com/application-security/ai-tackles-binary-code-challenges-fortify-supply-chain-security