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CVE-2016-3236

CRITICAL

The Web Proxy Auto Discovery (WPAD) protocol implementation in Microsoft Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8.1, Windows Server 2012 Gold and R2, Windows RT 8.1, and Windows 10 Gold and 1511 mishandles proxy discovery, which allows remote attackers to redirect network traffic via unspecified vectors, aka "Windows WPAD Proxy Discovery Elevation of Privilege Vulnerability."

Published: Jun 16, 2016 Modified: Jun 17, 2026
CWE-19

CVSS Metrics

CVSSv3
Attack Vector: NETWORK Attack Complexity: LOW Privileges Required: NONE User Interaction: NONE Scope: UNCHANGED Confidentiality Impact: HIGH Integrity Impact: HIGH Availability Impact: HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Products (10)

Vendor Product Version
microsoft windows_10 -
microsoft windows_10 1511
microsoft windows_7 *
microsoft windows_8.1 *
microsoft windows_rt_8.1 *
microsoft windows_server_2008 *
microsoft windows_server_2008 r2
microsoft windows_server_2012 -
microsoft windows_server_2012 r2
microsoft windows_vista *

GitHub Security Advisory GHSA-xxfh-4hh8-prf8

The Web Proxy Auto Discovery (WPAD) protocol implementation in Microsoft Windows Vista SP2,...

Risk Scores

CVSS Score 9.8 / 10
EPSS Score 76.77%

Top 1% most likely to be exploited

Threat Score 72.2 / 100

Data Sources

NVD EPSS GitHub