#openbsd
OpenBSD use-after-free leads to local privilege escalation to root
8/10nvd.nist.gov · ⭐️ 8/10 · 2026-07-08
A use-after-free vulnerability (CVE-2026-57589) has been discovered in OpenBSD, allowing a local attacker to escalate privileges to root. This vulnerability is significant because OpenBSD is renowned for its security focus, and a local privilege escalation bug could undermine that reputation. It affects all systems running the vulnerable version. The vulnerability was discovered as part of the 'Patch The Planet' initiative by OpenAI and Trail of Bits. Details are currently limited; the OpenBSD security page does not yet list it.