Findings

CVE-2026-72463

ZDI-26-683: Linux Kernel IPv6 VTI Subsystem Use-After-Free Local Privilege Escalation Vulnerability

Published Sep 14, 2026

This vulnerability allows local attackers to escalate privileges on affected installations of Linux Kernel. An attacker must first obtain the ability to execute high-privileged code on the target system in order to exploit this vulnerability. The ZDI has assigned a CVSS rating of 7.5. The following CVEs are assigned: CVE-2026-72463.

Timeline

Detection, updates, and resolution for this record.

  1. Sep 14, 2026 · Catalog

    Detected

    This vulnerability allows local attackers to escalate privileges on affected installations of Linux Kernel. An attacker must first obtain the ability to execute high-privileged code on the target system in order to exploit this vulnerability. The ZDI has assigned a CVSS rating of 7.5. The following CVEs are assigned: CVE-2026-72463.

Sources

  • CVE.orgCVE-2026-72463

    Official CVE identifier

    cve.org
  • FIRST EPSSCVE-2026-72463

    30-day exploitation probability 0.4%

    first.org
  • This vulnerability allows local attackers to escalate privileges on affected installations of Linux Kernel. An attacker must first obtain the ability to execute high-privileged code on the target system in order to exploit this vulnerability. The ZDI has assigned a CVSS rating of 7.5. The following CVEs are assigned: CVE-2026-72463.

    zerodayinitiative.com
CVE-2026-72463 · ZeroDay Findings