CVE-2026-50480

Heap-based buffer overflow in Windows Web Proxy Auto-Discovery Protocol (WPAD) allows an authorized attacker to elevate privileges locally.

CVSS v3 7.8 HIGH

7.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50480	Patch Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:microsoft:windows_10_1607:::::::x64:*
	cpe:2.3:o:microsoft:windows_10_1607:::::::x86:*
	cpe:2.3:o:microsoft:windows_server_2012:-:::::::*
	cpe:2.3:o:microsoft:windows_server_2012:r2:::::::*
	cpe:2.3:o:microsoft:windows_server_2016::::::::

History

21 Jul 2026, 03:46

Type	Values Removed	Values Added
CPE		cpe:2.3:o:microsoft:windows_server_2012:r2:::::::* cpe:2.3:o:microsoft:windows_server_2012:-:::::::* cpe:2.3:o:microsoft:windows_10_1607:::::::x86:* cpe:2.3:o:microsoft:windows_server_2016:::::::: cpe:2.3:o:microsoft:windows_10_1607:::::::x64:*
First Time		Microsoft windows Server 2012 Microsoft windows 10 1607 Microsoft Microsoft windows Server 2016
References	~~() https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50480 -~~	() https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50480 - Patch, Vendor Advisory

14 Jul 2026, 18:17

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-07-14 18:17

Updated : 2026-07-21 03:46

NVD link : CVE-2026-50480

Mitre link : CVE-2026-50480

CVE.ORG link : CVE-2026-50480

JSON object : View

Products Affected

microsoft

windows_10_1607
windows_server_2016
windows_server_2012

CWE

CWE-122

Heap-based Buffer Overflow

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