ZDI-26-536
HIGH 8.8
Published
Aug 11, 2026
Microsoft Windows http.sys Integer Overflow Local Privilege Escalation Vulnerability
Microsoft
This vulnerability allows local attackers to escalate privileges on affected installations of Microsoft Windows. 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.