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CVE-2026-50480

Last refreshed2026-10-15

Status: UPDATED  |  Advisory ID: CVE-2026-50480

Key Details

CVECVE-2026-50480
CVSS Score / Version
7.8 (High) / CVSS v3.1
Updated2026-10-14
CVSS Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS Prose
attack vector is local; attack complexity is low; privileges required is low; user interaction is none; scope is unchanged; confidentiality impact is high; integrity impact is high; availability impact is high.
Affected products
Microsoft Windows 10 (version 1607), Microsoft Windows Server 2012, Microsoft Windows Server 2016, and Microsoft Windows Server 2012 R2
Classified as
CWE-122 (Heap-based Buffer Overflow)

Affected Products, Subsystems & Sectors

VendorProductAffected VersionsPatch Status
MicrosoftWindows 10 (version 1607)
MicrosoftWindows Server 2012
MicrosoftWindows Server 2016
MicrosoftWindows Server 2012 R2
SubsystemsOT Supporting Infrastructure
SectorsAll Sectors

What to Know

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

What to Do

Monitor Microsoft's web page for any future patch releases. See vendor advisory link below.

References

SourceReference
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2026-50480
CVEhttps://www.cve.org/CVERecord?id=CVE-2026-50480
Vendor advisoryhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50480

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