ZDI-26-406
HIGH 7.8
Published
Jul 15, 2026
X.Org Server BitmapScaleBitmaps Integer Overflow Privilege Escalation Vulnerability
X.Org
This vulnerability allows local attackers to escalate privileges on affected installations of X.Org Server. 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 7.8.