CVE-2026-50480

EUVD-2026-44089
Heap-based buffer overflow in Windows Web Proxy Auto-Discovery Protocol (WPAD) allows an authorized attacker to elevate privileges locally.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
7.8 HIGH
LOCAL
LOW
LOW
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 25.73%
Affected Products (NVD)
VendorProductVersion
microsoftwindows_10_1607
𝑥
< 10.0.14393.9339
microsoftwindows_10_1607
𝑥
< 10.0.14393.9339
microsoftwindows_server_2012
-
microsoftwindows_server_2016
𝑥
< 10.0.14393.9339
𝑥
= Vulnerable software versions
Windows Releases
Platform
Version
Windows 10
1607 (x64, x86)
Windows Server 2012
Server Core
Server Core
Standard
Standard
Windows Server 2012 R2
Server Core
Server Core
Standard
Standard
Windows Server 2016
Server Core
Standard