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Vulnerability IntelligenceCVE-2026-20823

CVE-2026-20823

MEDIUM5.5

Windows File Explorer Information Disclosure Vulnerability

Published Jan 13, 2026

Modified Yesterday

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-20823

https://www.cve.org/CVERecord?id=CVE-2026-20823

CVSS Analysis

CVSS v3.1

5.5

Exploitability

Attack Vector

LocalAV:L

Attack Complexity

LowAC:L

Privileges Required

LowPR:L

User Interaction

NoneUI:N

Scope

Scope

UnchangedS:U

Impact

Confidentiality

HighC:H

Integrity

NoneI:N

Availability

NoneA:N

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

Weakness Type (CWE)

Information Disclosure

Information Exposure

Ecosystems

Timeline

PublishedJan 13, 2026

ModifiedApr 1, 2026

CVE-2026-20823 | Mondoo Vulnerability Intelligence