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LegacyHive Is a Local Privilege Escalation BugThe vulnerability hunter in a feud with Microsoft released yet another Windows zero-day Tuesday as promised, though the touted "bone-shattering" disclosure was stripped down to prevent public exploitation. LegacyHive, exploits a profile-loading race condition to access another user's registry hive.
Researchers said the vulnerabilities, which attackers are chaining together, were first exploited three weeks before the vendor disclosed and patched the defects. The post SonicWall customers under threat as attackers exploit 2 zero-days appeared first on CyberScoop.
Intruder built an AI-powered "vulnerability vending machine" that combines code slicing with LLMs to automatically discover complex software vulnerabilities. The company explains how the system found and exploited a previously unknown WordPress plugin zero-day, with additional discoveries already under responsible disclosure. [...]
Today is Microsoft's July 2026 Patch Tuesday, and with it comes security updates for a record-breaking 570 flaws, including two zero-day vulnerabilities exploited in attacks and one publicly disclosed. [...]
Microsoft has released a security patch to address a Defender zero-day vulnerability known as "RoguePlanet," disclosed after the June 2026 Patch Tuesday. [...]
An unknown threat actor exploited a recently disclosed high-severity security flaw impacting Cisco Catalyst SD-WAN as a zero-day at least two months before it was publicly disclosed, according to new findings from Google-owned Mandiant
Microsoft has formally disclosed that it's working to release a patch to address a Defender zero-day codenamed RoguePlanet
Microsoft confirmed that it's working on a security patch for a Defender zero-day vulnerability named "RoguePlanet," disclosed one week ago. [...]
Today is Microsoft's June 2026 Patch Tuesday, with security updates for 200 flaws, including five publicly disclosed zero-day vulnerabilities and one actively exploited in attacks. [...]
Today is Microsoft's June 2026 Patch Tuesday, with security updates for 200 flaws and five publicly disclosed zero-day vulnerabilities. [...]
Security Researchers Fear Broader Legal Pressure on Bug DisclosuresMicrosoft is pursuing legal action after a researcher publicly released six Windows zero-days and exploit code following a breakdown in coordinated disclosure talks, escalating tensions over vulnerability disclosure, platform moderation and protections for independent security researchers.
Microsoft has come out strongly in favor of Coordinated Vulnerability Disclosure (CVD), urging the research community to share their findings and give affected vendors an opportunity to better understand the impact and address them before they are publicly disclosed
Microsoft on Tuesday released a mitigation for a BitLocker bypass vulnerability named YellowKey following its public disclosure last week
Microsoft has shared mitigations for YellowKey, a recently disclosed Windows BitLocker zero-day vulnerability that grants access to protected drives. [...]
YellowKey, GreenPlasma, and MiniPlasma add to the growing list of vulnerabilities a security researcher disclosed over the past six weeks.
Chaotic Eclipse, the security researcher behind the recently disclosed Windows flaws, YellowKey and GreenPlasma, has released a proof-of-concept (PoC) for a Windows privilege escalation zero-day flaw that grants attackers SYSTEM privileges on fully patched Windows systems
The threat group behind the attacks is also linked to a series of recently disclosed vulnerabilities in the vendor’s firewalls and SD-WAN systems. The post Cisco zero-day under ongoing attack by persistent threat group appeared first on CyberScoop.
Google on Monday disclosed that it identified an unknown threat actor using a zero-day exploit that it said was likely developed with an artificial intelligence (AI) system, marking the first time the technology has been put to use in the wild in a malicious context for vulnerability discovery and exploit generation
Shortly after the authentication-bypass flaw was disclosed multiple proof-of-concept exploits appeared, and one researcher claims there's been zero-day activity for at least a month.
Microsoft today pushed software updates to fix a staggering 167 security vulnerabilities in its Windows operating systems and related software, including a SharePoint Server zero-day and a publicly disclosed weakness in Windows Defender dubbed "BlueHammer." Separately, Google Chrome fixed its fourth zero-day of 2026, and an emergency update for Adobe Reader nixes an actively exploited flaw that can lead to remote code execution.