Windows Privesc Privilege Escalation via Unquoted Service Paths on Windows
How unquoted Windows service paths with spaces let low-privileged users plant a binary and escalate to SYSTEM, plus blue-team defenses.
privilege-escalation
Windows Privesc 
Windows Privesc Weak Service Permissions: Privilege Escalation via SERVICE_CHANGE_CONFIG on Windows
Abuse misconfigured Windows service DACLs to rewrite binPath and escalate to SYSTEM, plus detection and hardening.
Security DLL Hijacking: Privilege Escalation and Persistence on Windows
How DLL search order hijacking and phantom DLLs lead to privilege escalation and persistence, plus Blue Team detection and defense.
Windows Privesc Abusing Scheduled Tasks for Windows Persistence and Privilege Escalation
How attackers abuse writable task XML, schtasks, and Task Scheduler to persist and escalate on Windows, plus blue-team detection.
Windows Privesc Abusing Registry Autoruns for Windows Persistence and Privilege Escalation
How attackers abuse writable Run keys and other autorun locations for persistence and privesc, plus how blue teams detect it.
Linux Privesc Exploiting SUID/SGID Binaries for Linux Privilege Escalation
How attackers abuse SUID/SGID binaries to escalate to root on Linux, plus blue-team detection and hardening.