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Findings

ZDI-26-708

ZDI-26-708: (0Day) Microsoft Windows HTTP Proxy Privilege Escalation Vulnerability

Published Sep 16, 2026

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 5.3.

Timeline

Detection, updates, and resolution for this record.

  1. Sep 16, 2026 · Catalog

    Detected

    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 5.3.

Sources

  • Zero Day InitiativeZDI-26-708

    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 5.3.

    zerodayinitiative.com
ZDI-26-708 · ZeroDay Findings