Latest cybersecurity reporting from selected sources.

Security researcher Chaotic Eclipse (aka Nightmare-Eclipse and MSNightmare) has released a new Windows BitLocker bypass dubbed GreatXML, a day after they published an exploit for Microsoft Defender

The researcher Chaotic Eclipse released a PoC for the RoguePlanet Microsoft Defender zero-day, which can grant SYSTEM privileges on fully patched Windows systems. Security researcher Chaotic Eclipse, also known as Nightmare-Eclipse, has published a new proof-of-concept exploit for a RoguePlanet Microsoft Defender zero-day. The flaw relies on a race condition that can provide attackers with […]

The anonymous security researcher going by the name Chaotic Eclipse (aka Nightmare-Eclipse) has released a proof-of-concept (PoC) exploit for yet another Microsoft Defender zero-day named RoguePlanet

A security researcher has released a new Microsoft Defender zero-day exploit named "RoguePlanet" just hours after Microsoft fixed two previously disclosed flaws during June 2026 Patch Tuesday. [...]

A researcher known as "Chaotic Eclipse" has published a proof-of-concept exploit for a second Microsoft Defender zero-day, dubbed "RedSun," in the past two weeks, protesting how the company works with cybersecurity researchers. [...]

Defrauding search with custom malware, Potato-family exploits A new China-aligned cybercrime crew named GhostRedirector has compromised at least 65 Windows servers worldwide - spotted in a June internet scan - using previously undocumented malware to juice gambling sites' rankings in Google search, according to ESET researchers.…

Silver Fox APT abuses Microsoft-signed drivers to kill antivirus and deploy ValleyRAT remote-access backdoor

Attackers aren’t waiting for patches anymore — they are breaking in before defenses are ready. Trusted security tools are being hijacked to deliver malware. Even after a breach is detected and patched, some attackers stay hidden

A security researcher has observed threat actors exploiting vulnerabilities in a driver used by CheckPoint’s ZoneAlarm antivirus to bypass Windows security measures

Trend Micro uncovered a method that nation-state threat actors are using to target victims via the Windows .Ink shortcut file extension.

'Only' a local access bug but important part of N Korea, Russia, and China attack picture An exploitation avenue found by Trend Micro has been used in an eight-year-long spying campaign, but there's no sign of a fix from Microsoft, which apparently considers this a low priority.…

Mustang Panda Uses MAVInject to Evade Antivirus DetectionA Chinese state-sponsored hacking group is abusing a legitimate Microsoft tool to evade security and install backdoors on government systems in the Asia-Pacific region. The threat actor uses MAVInject.exe to inject malware into waitfor.exe.

Trend Micro detailed how attackers are using a fake proof-of-concept for a critical Microsoft vulnerability, designed to steal sensitive data from security researchers

A new social engineering campaign has leveraged Microsoft Teams as a way to facilitate the deployment of a known malware called DarkGate

ESET Discovers Two Major Vulnerabilities Exploited by Russian RomCom Hacking GroupTwo vulnerabilities in Mozilla products and Windows are actively exploited by RomCom, a Kremlin-linked cybercriminal group known for targeting businesses and conducting espionage, warn security researchers from Eset. Exploiting the two flaws together enables attackers to execute arbitrary code.

A now-patched security flaw in the Microsoft Defender SmartScreen has been exploited as part of a new campaign designed to deliver information stealers such as ACR Stealer, Lumma, and Meduza

An advanced persistent threat (APT) group called Void Banshee has been observed exploiting a recently disclosed security flaw in the Microsoft MHTML browser engine as a zero-day to deliver an information stealer called Atlantida

A Phemedrone information-stealing malware campaign exploits a Microsoft Defender SmartScreen vulnerability (CVE-2023-36025) to bypass Windows security prompts when opening URL files. [...]

A security researcher has found a way to exploit the data deletion capabilities of widely used endpoint detection and response (EDR) and antivirus (AV) software from Microsoft, SentinelOne, TrendMicro, Avast, and AVG to turn them into data wipers. [...]

Meanwhile NSO faces new lawsuit over Pegasus flying onto journalists' phones Google's Threat Analysis Group (TAG) said on Wednesday that its researchers discovered commercial spyware called Heliconia that's designed to exploit vulnerabilities in Chrome and Firefox browsers as well as Microsoft Defender security software.…