Executive brief
Dell Update Package Framework is a tool used to deliver firmware and driver updates to Dell systems. A privilege escalation vulnerability allows a high-privileged local attacker to follow symbolic links and gain unauthorized write access to arbitrary files, potentially allowing modification of system files or other sensitive data.
Technical details
CVE-2026-71182 is an improper link resolution vulnerability (CWE-59: Link Following) in Dell Update Package (DUP) Framework versions prior to 26.07.03. The vulnerability allows a high-privileged attacker with local file system access to exploit symlink race conditions, enabling writes to arbitrary file locations. Attack preconditions include local access and elevated privileges. The vulnerability does not require user interaction. Exploitation results in limited impact: an attacker can modify file integrity or cause minor availability disruption but cannot read sensitive data. A patch is available in version 26.07.03 and later.
Affected products
- Dell Update Package Framework prior to 26.07.03
Timeline
- 2026-09-16: disclosed