CVE-2026-43040
ZDI-26-682: Linux Kernel IPv6 Neighbour Discovery Uninitialized Memory Information Disclosure Vulnerability
Published Sep 14, 2026
This vulnerability allows local attackers to disclose sensitive information 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 6.0. The following CVEs are assigned: CVE-2026-43040.
Timeline
Detection, updates, and resolution for this record.
Sep 14, 2026 · Catalog
Detected
This vulnerability allows local attackers to disclose sensitive information 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 6.0. The following CVEs are assigned: CVE-2026-43040.
Sources
- CVE.orgCVE-2026-43040
Official CVE identifier
cve.org - FIRST EPSSCVE-2026-43040
30-day exploitation probability 0.2%
first.org - Zero Day InitiativeZDI-26-682
This vulnerability allows local attackers to disclose sensitive information 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 6.0. The following CVEs are assigned: CVE-2026-43040.
zerodayinitiative.com