CVE-2026-31719
ZDI-26-680: Linux Kernel Crypto 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 low-privileged code on the target system in order to exploit this vulnerability. The ZDI has assigned a CVSS rating of 8.8. The following CVEs are assigned: CVE-2026-31719.
Timeline
Detection, updates, and resolution for this record.
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 low-privileged code on the target system in order to exploit this vulnerability. The ZDI has assigned a CVSS rating of 8.8. The following CVEs are assigned: CVE-2026-31719.
Sources
- CVE.orgCVE-2026-31719
Official CVE identifier
cve.org - FIRST EPSSCVE-2026-31719
30-day exploitation probability 0.5%
first.org - Zero Day InitiativeZDI-26-680
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 8.8. The following CVEs are assigned: CVE-2026-31719.
zerodayinitiative.com