CVE-2026-20860

CVSS Score & Metrics

Base Score

7.8 / 10

Vector String

                                        CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H                                    

Vulnerability Description

Access of resource using incompatible type ('type confusion') in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.

Vulnerability Details

Published Date

January 13, 2026

Last Modified

January 15, 2026

CWE ID

CWE-843

Source

NVD

Vendor

microsoft

Product

windows_10_1607

External References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-20860

CVSS Score & Metrics

Vulnerability Description

Vulnerability Details

External References

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