What’s Vulnerable › Vulnerabilities
CVE-2025-48809: Windows Secure Kernel Mode Information Disclosure Vulnerability
- Severity: medium (CVSS 5.5 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.5% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2025-07-08 · updated 2026-06-17
- Weakness: CWE-1037
Description
Processor optimization removal or modification of security-critical code in Windows Kernel allows an authorized attacker to disclose information locally.
Affected products
- Microsoft Windows 11: before 10.0.26100.4652 — fixed in 10.0.26100.4652
- Microsoft Windows Server 2025: before 10.0.26100.4652 — fixed in 10.0.26100.4652
- Microsoft Windows 11: from 10.0.26100.0 before 10.0.26100.4652 — fixed in 10.0.26100.4652
- Microsoft Windows Server 2025: from 10.0.26100.0 before 10.0.26100.4652 — fixed in 10.0.26100.4652
How to fix
Upgrade to a fixed version: Microsoft Windows 11 10.0.26100.4652; Microsoft Windows Server 2025 10.0.26100.4652; Microsoft Windows 11 10.0.26100.4652; Microsoft Windows Server 2025 10.0.26100.4652. Check the vendor advisory for mitigations.
References
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