AUGUST 4, 2026
Live Feed
Back to database
Case File

CVE-2026-20856

HIGH · CVSS 8.1 EPSS 1.07%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2026-01-13 · Last synced 2026-08-04

CyberRota Analysis

This is a high severity vulnerability with a CVSS score of 8.1. It affects Windows.

CVE
CVE-2026-20856
Severity
HIGH
CVSS
8.1
EPSS
1.07%
Windows

Original NVD Description

Improper input validation in Windows Server Update Service allows an unauthorized attacker to execute code over a network.

Related CVEs

Other vulnerabilities affecting the same vendor(s)