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CVE-2025-55676: Windows USB Video Class System Driver Information Disclosure Vulnerability

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-10-14 · updated 2026-10-18
• Weakness: CWE-209

Description

Generation of error message containing sensitive information in Windows USB Video Driver allows an authorized attacker to disclose information locally.

Affected products

• Microsoft Windows 11: before 10.0.26100.6899 — fixed in 10.0.26100.6899
• Microsoft Windows 11 25H2: before 10.0.26200.6899 — fixed in 10.0.26200.6899
• Microsoft Windows Server 2025: before 10.0.26100.6899 — fixed in 10.0.26100.6899
• Microsoft Windows 11: from 10.0.26100.0 before 10.0.26100.6899 — fixed in 10.0.26100.6899
• Microsoft Windows 11 25H2: from 10.0.26200.0 before 10.0.26200.6899 — fixed in 10.0.26200.6899
• Microsoft Windows Server 2025: from 10.0.26100.0 before 10.0.26100.6899 — fixed in 10.0.26100.6899

How to fix

Upgrade to a fixed version: Microsoft Windows 11 10.0.26100.6899; Microsoft Windows 11 25H2 10.0.26200.6899; Microsoft Windows Server 2025 10.0.26100.6899; Microsoft Windows 11 10.0.26100.6899; Microsoft Windows 11 25H2 10.0.26200.6899; Microsoft Windows Server 2025 10.0.26100.6899. Check the vendor advisory for mitigations.

References

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-55676

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