CVE-2026-20847

medium

Description

Exposure of sensitive information to an unauthorized actor in Windows Shell allows an authorized attacker to perform spoofing over a network.

References

https://github.com/echeys01/cve-json-analysis-5.x

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-20847

Details

Source: Mitre, NVD

Published: 2026-01-13

Updated: 2026-07-30

Risk Information

CVSS v2

Base Score: 6.8

Vector: CVSS2#AV:N/AC:L/Au:S/C:C/I:N/A:N

Severity: Medium

CVSS v3

Base Score: 6.5

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

Severity: Medium

EPSS

EPSS: 0.00148