CVE-2025-48809

low-risk

Published 2025-07-08

Processor optimization removal or modification of security-critical code in Windows Kernel allows an authorized attacker to disclose information locally.

Do I need to act?

0.44% chance of exploitation

EPSS score — low exploit probability

Not on CISA KEV list

No confirmed active exploitation reported to CISA

Patch status unknown

Check vendor advisories for fix availability and mitigation guidance

CVSS 5.5/10 Medium

LOCAL / LOW complexity

Affected Products (2)

Windows 11 24H2

Windows Server 2025

Affected Vendors

Microsoft

References (1)

Vendor Advisory https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-48809

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low-risk

Severity 18/34 · Moderate

Exploitability 2/34 · Minimal

Exposure 7/34 · Low