Vulnerabilities
Vulnerable Software

Vulnerability Details CVE-2026-20856

Improper input validation in Windows Server Update Service allows an unauthorized attacker to execute code over a network.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 31.0%
CVSS Severity
CVSS v3 Score 8.1
Products affected by CVE-2026-20856


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