CVE-2025-48809

Published: Jul 8, 2025Modified: Jul 15, 2025

5.5

Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Exploitability: 1.8 / Impact: 3.6

Source: secure@microsoft.com (Secondary)

Description

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

Affected (2)

Products: Microsoft: Windows 11 24h2, Windows Server 2025

Microsoft

2 products

Windows 11 24h2

Windows Server 2025

Configuration A

2 vulnerable

Vulnerable Software	Affected Versions
Microsoft Windows 11 24h2	Before 10.0.26100.4652
Microsoft Windows Server 2025	Before 10.0.26100.4652

Related CWEs

CWE-1037

Processor Optimization Removal or Modification of Security-critical Code

The developer builds a security-critical protection mechanism into the software, but the processor optimizes the execution of the program such that the mechanism is removed or modified.

References (1)

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

Source: secure@microsoft.com

Vendor Advisory

Timeline

No history available yet.