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A blog post detailing a local privilege escalation vulnerability (CVE-2026-50343) in the Windows Install Service on Windows 11, allowing a standard user to execute code as SYSTEM by exploiting a writable plugin map and a user-plantable COM server.
A use-after-free vulnerability in OpenBSD through version 7.9 allows local attackers to escalate privileges to root. The flaw exists in sysv_sem.c and is identified as CVE-2026-57589.
A use-after-free vulnerability in the DRM GEM core ioctl DRM_IOCTL_GEM_CHANGE_HANDLE allows unprivileged local users with render node access to escalate to root. The bug was fixed in the Linux kernel mainline in May 2026.
Copy Fail 2 is a proof-of-concept exploit for an unprivileged Linux Local Privilege Escalation (LPE) vulnerability in the kernel's xfrm subsystem, allowing attackers to gain root access on modern distributions.