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LegacyHive PoC exposes a Windows Privilege Escalation flaw affecting fully patched Windows desktop and server systems. Just hours after Microsoft’s July 2026 Patch Tuesday, security researcher Nightmare Eclipse, also known as Chaotic Eclipse, published a new Windows zero-day proof-of-concept called LegacyHive. This time, the target is the Windows User Profile Service (ProfSvc), and unlike the […]

Security Affairs 16 Jul 2026, 4:57 a.m. Theme · 4 stories 0-Day Exploit Flaw Microsoft Patch Patch Tuesday PoC Privilege Escalation

DirtyClone: a Linux kernel privilege escalation that silently rewrites executables in memory, leaving no disk trace. Patch now. JFrog Security Research published a working exploit walkthrough on June 25 for CVE-2026-43503 (CVSS score of 8.8), a Linux kernel privilege escalation they call DirtyClone. It’s the fourth vulnerability in the DirtyFrag family, all sharing the same […]

Security Affairs 27 Jun 2026, 9:12 p.m. Incident · 2 stories CVE-2026-43503 CVE Exploit Flaw Linux Patch Privilege Escalation Research Root Access Vulnerability

A Linux kernel nf_tables bug lets local users gain root via use-after-free caused by a logic error; patch removes a single “!”. CVE-2026-23111 lives in nf_tables, the Linux kernel’s packet filtering framework. Exodus Intelligence researcher Oliver Sieber found the bug in early 2025 and chained it into a full local privilege escalation. The flaw was […]

Security Affairs 9 Jun 2026, 7:27 p.m. CVE-2026-23111 CVE Exploit Flaw Framework Linux Patch Privilege Escalation Root Access