CVE-2026-20847

CWE-200 — Information Exposure5 documents5 sources
Severity
6.5MEDIUM
EPSS
0.1%
top 72.09%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
30
Microsoft Windows 10 Version 1607Microsoft Windows 10 Version 1809Microsoft Windows 10 Version 21h2+27 more
Timeline
PublishedJan 13

Description

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

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:NExploitability: 2.8 | Impact: 3.6

Affected Packages29 packages

▶NVDmicrosoft/windows< 10.0.14393.8783+5
▶NVDmicrosoft/windows_10_1607< 10.0.14393.8783
▶NVDmicrosoft/windows_10_1809< 10.0.17763.8276
▶NVDmicrosoft/windows_10_21h2< 10.0.19044.6809
▶NVDmicrosoft/windows_10_22h2< 10.0.19045.6809

🔴Vulnerability Details

2
GHSA
GHSA-xmr8-fvh4-85cv: Exposure of sensitive information to an unauthorized actor in Windows Shell allows an authorized attacker to perform spoofing over a network↗2026-01-13
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CVEList
Microsoft Windows File Explorer Spoofing Vulnerability↗2026-01-13
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📋Vendor Advisories

1
Microsoft
Microsoft Windows File Explorer Spoofing Vulnerability↗2026-01-13
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🕵️Threat Intelligence

1
Wiz
CVE-2026-20847 Impact, Exploitability, and Mitigation Steps | Wiz↗
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