Linux kernel Logitech HIDPP use-after-free allows local privilege escalation
Original title: ZDI-26-835: Linux Kernel Logitech HIDPP Protocol Use-After-Free Local Privilege Escalation Vulnerability
ZDI rates CVE-2026-93826 at CVSS 7.8 and requires existing low-privileged code execution.
ZDI published ZDI-26-835 for a use-after-free in the Linux kernel’s Logitech HIDPP protocol. A local attacker who can already run low-privileged code can escalate privileges on affected installations. ZDI assigned CVSS 7.8 and CVE-2026-93826. The snippet does not state affected or fixed versions.
Unconfirmed: Affected and fixed kernel versions are not stated in the snippet.
- The advisory identifier is ZDI-26-835.
- Exploitation requires prior low-privileged code execution on the target.
Impact: Local privilege escalation after low-privileged code execution
| Product | Affected |
|---|---|
| Linux Kernel | — |
- CVEs
- CVE-2026-93826
- Vendors
- Linux
- Products
- Linux Kernel
- Organizations
- Zero Day Initiative
Vulnerabilities mentioned
All| CVE | Vulnerability | CVSS | EPSS | Signals | Published |
|---|---|---|---|---|---|
| CVE-2026-93826 | Use-After-Free in Linux Kernel's Logitech HID++ (hidpp) Driver | 7.5 | — |
From the original article
This vulnerability allows local attackers to escalate privileges on affected installations of Linux Kernel. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The ZDI has assigned a CVSS rating of 7.
zerodayinitiative.com
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