CVE-2026-50480

high Microsoft
CVSS v3 Base Score
7.8
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
EPSS Score
0.2%
Exploitation probability in 30 days
Top 84% most likely to be exploited
Attack Characteristics
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Confidentiality
High
Integrity
High
Availability
High
Published: July 14, 2026 (54 days ago)
Last Modified: July 17, 2026
Vendor: Microsoft
Source: MITRE

Description

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

CWE

CWE-122

Affected Products

Microsoft Windows 10 Version 1607Microsoft Windows Server 2012Microsoft Windows Server 2012 (Server Core installation)Microsoft Windows Server 2012 R2Microsoft Windows Server 2012 R2 (Server Core installation)Microsoft Windows Server 2016Microsoft Windows Server 2016 (Server Core installation)

References

🔗 msrc.microsoft.com