Independent discovery & coordinated disclosure: CoreMedia bytestream XPC (mediaplaybackd) vended live file descriptors for protected paths to any sandboxed app on iOS 26.5–27.0.1. Fixed in iOS 27.2 as CVE-2026-112706. PoC + evidence.
PoC & panic evidence for CVE-2026-112705: AppleAVE2 kernel OOB write on iOS 27.0.1 (fixed in 27.2) via VideoToolbox NumberOfTemporalLayers. Independent reproduction; original discovery by Calif / Chollima team.
A raw dump of my Apple MacOS research. Some likely can be ported over to other Apple OSes. Alot of this should likely be patched, but I did not report many of these as they didnt meet the bar for a bounty.