0day
N-able patches max severity N-central flaw amid ongoing attacks
N-able has released an emergency hotfix for a maximum-severity remote code execution (RCE) flaw affecting its N-central remote monitoring and management (RMM) platform. IT departments and managed service providers (MSPs) use the N-central platform to monitor, manage, and maintain client networks and devices from a centralized web-based console. Tracked as CVE-2026-86218, this RCE vulnerability allows threat […]
SonicWall warns of actively exploited SMA1000 zero-day flaws
SonicWall warned customers that threat actors are chaining two new SMA1000 zero-day vulnerabilities in remote code execution attacks. The first is a maximum-severity command injection flaw (CVE-2026-83548) found in the SMA1000 Appliance WorkPlace interface that stems from a server-side request forgery (SSRF) weakness. This actively exploited zero-day chain also targets a command injection vulnerability (CVE-2026-83549) […]
PaperCut warns of NG, MF flaw exploited in zero-day attacks
PaperCut is warning that hackers are actively exploiting a vulnerability in all versions of its PaperCut NG and PaperCut MF print management software in zero-day attacks. The company says it is aware of confirmed attacks on customers and is urging organizations with Internet-exposed PaperCut Application Servers to immediately restrict access to the web interfaces to trusted […]
Unpatched Calix flaw lets hackers bypass NAT to expose internal devices
An unpatched vulnerability in Calix GS7 XGS (GS5239XG) residential routers used by multiple U.S. broadband providers allows remote, unauthenticated attackers to create port-forwarding rules that can expose local network devices to the public internet. The flaw is tracked as CVE-2026-75501 and is described as a missing authentication issue that affects devices running EXOS/6.6.47 firmware. Security […]
Microsoft working on Defender patch for ShieldBreak zero-day
On Friday, Microsoft confirmed it has begun working on a security patch for a Defender zero-day vulnerability named “ShieldBreak.” A security researcher who uses the “Nightmare Eclipse” handle disclosed this privilege escalation vulnerability after Microsoft released the August 2026 Patch Tuesday security updates. ”Microsoft is aware of the reported vulnerability and is actively investigating the […]
Microsoft patches LegacyHive Windows zero-day vulnerability
Microsoft has released security patches to address a Windows zero-day vulnerability known as “LegacyHive,” disclosed after the July 2026 Patch Tuesday. The security flaw was disclosed by a security researcher who uses the “Nightmare Eclipse” handle in protest of Microsoft’s bug bounty and vulnerability disclosure practices. Nightmare Eclipse published a LegacyHive proof-of-concept (PoC) exploit hours […]
Lazarus hackers exploited Windows zero-day to target defense firms
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. Microsoft addressed the flaw in this month’s Patch Tuesday security updates, marking it as actively exploited in the wild. Researchers found that the Lazarus threat group has been leveraging it since early July. Microsoft […]
New Microsoft Defender ‘ShieldBreak’ zero-day grants SYSTEM privileges
A security researcher known as Nightmare Eclipse has released a new Microsoft Defender zero-day exploit named “ShieldBreak” after Microsoft released the August 2026 Patch Tuesday security updates. The new vulnerability is described as a bypass for RoguePlanet, another Defender privilege escalation flaw disclosed in June and patched by Microsoft one month later. However, cybersecurity expert Kevin […]
Microsoft August 2026 Patch Tuesday fixes 400 flaws, 3 zero-days
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. Patch Tuesday addresses 42 “Critical” vulnerabilities, 37 of which are remote code execution and 5 are elevation of privilege. The approximate number of bugs in each vulnerability category is […]
Metabase SQLi zero-day exploited in customer data-theft attacks
A critical Metabase SQL injection vulnerability was exploited in zero-day attacks to breach customer instances in data theft attacks, known to impact Framework and Tally. Metabase disclosed the attacks on Thursday, warning that its Metabase Cloud SaaS platform was compromised through a previously unknown vulnerability affecting versions 1.58 and above. The company warns that self-hosted […]