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HiveLegacy is a "powerful primitive" that's likely capable of other nefarious actions.
Exploit Wednesday's back, baby
This is the latest zero-day released by security researcher Nightmare Eclipse, despite Microsoft publicly threatening to take legal action against them.
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 hand...
A newly disclosed zero-day flaw in GeoServer is seeing active exploitation efforts, per watchTowr. The vulnerability, which has yet to be assigned a CVE identifier, is an SQL inje...
A developer opens a repository in Cursor on Windows. If that repo contains a file named git.exe in the root, Cursor executes it automatically. No clicks. No warnings. No prompts. J...
Every patch is a confession. The moment a vendor ships a security fix, the diff between the old code and the new code tells anyone watching exactly what was broken and where. Turn...
Security researcher Chaotic Eclipse (aka Nightmare-Eclipse) has released a new proof-of-concept (PoC) exploit called LegacyHive. It has been described as a Windows User Profile Se...
An anonymous security researcher who uses the "Nightmare Eclipse" handle released a CrowdStrike Falcon zero-day exploit named "FalconFlank" that lets attackers escalate privileges...
Free unofficial patches are available for a recently disclosed Windows zero-day flaw that allows attackers to escalate privileges on up-to-date Windows systems. [...]
Microsoft’s August 2026 Patch Tuesday released fixes for hundreds of vulnerabilities across various products, including Windows, Office, SharePoint, Azure, .NET, PowerShell, Visual...
The exploited zero-day flaw could allow an attacker to gain system privileges on a Windows PC.
Researcher Chaotic Eclipse has claimed to have discovered a zero-day privilege-escalation vulnerability affecting Avast Antivirus and released a public proof-of-concept repository...
A shared security 'Nightmare'
The prolific and controversial security researcher known as Nightmare-Eclipse (also tracked under the alias Chaotic Eclipse) has released a ninth Windows zero-day exploit called Sh...
An anonymous security researcher known as Nightmare Eclipse has released a new Microsoft Defender zero-day exploit named "ShieldCrash" right after Microsoft rolled out its Septembe...
A newly discovered zero-day vulnerability in Magento Open Source and Adobe Commerce is being actively exploited by attackers to seize full control of online stores, and there is st...
Nightmare Eclipse has released a new Microsoft Defender zero-day exploit named "ShieldBreak" after Microsoft released the August 2026 Patch Tuesday security updates. [...]
A newly disclosed zero-day flaw in AnyDesk, tracked as CVE-2026-15682, allows local attackers to crash affected installations by abusing a core support feature, raising fresh conce...
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 zer...
Authored by Mikaelle De Oliveira Most people assume software is built like a massive, unbreakable vault. You install an... The post Zero-Day Attacks: What Happens When Hackers F...
A security researcher using the "Nightmare Eclipse" handle has released a Windows zero-day exploit dubbed LegacyHive that allows attackers to escalate privileges on up-to-date Wind...
Progress Software has confirmed that a high-severity zero-day vulnerability is behind the emergency shutdown of ShareFile Storage Zone Controllers last week and has released securi...
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 vul...
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