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MEDIUM SEVERITY
CVE-2026-20805 Microsoft · Windows

Microsoft Windows Information Disclosure Vulnerability

Technical Severity

CVSS v3.1 Metrics

MEDIUM
5.5 / 10
Minimal Risk Critical
Vector Specification
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C
Exploitation Likelihood

EPSS Prediction

6.27 %
Predictive Probability
Percentile Rank
90.7 th

Documented as more likely to be exploited than 90.7% of known CVEs.

Detection Date

Jan 13, 2026

Remediation Due

Feb 03, 2026

CISA Catalog Active

Threat Analysis

Microsoft Windows Desktop Windows Manager contains an information disclosure vulnerability that allows an authorized attacker to disclose information locally.

Remediation Directive

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

External Intelligence