CVE-2025-48810: Windows Secure Kernel Mode Information Disclosure Vulnerability

Overview

Severity
Medium (CVSS 5.5)
CVSS Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C
Category
Information Disclosure
Exploit Status
Not Exploited
Exploitation Likelihood
Less Likely
Patch Tuesday
2025-Jul
Released
2025-07-08
EPSS Score
0.44% (percentile: 63.3%)

Description

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

FAQ

What type of information could be disclosed by this vulnerability? Exploiting this vulnerability could allow the disclosure of certain kernel memory content. According to the CVSS metrics, successful exploitation of this vulnerability could lead to some loss of confidentiality (C:L),but lead to no loss of availability (A:N) and integrity (I:N)? What does that mean for this vulnerability? An attacker who successfully exploited the vulnerability could view some sensitive information (Confidentiality) but not all resources within the impacted component may be divulged to the attacker. The attacker cannot make changes to disclosed information (Integrity) or limit access to the resource (Availability).

Affected Products (3)

Windows

  • Windows Server 2025 (Server Core installation)
  • Windows 11 Version 24H2 for ARM64-based Systems
  • Windows Server 2025

Security Updates (1)

Acknowledgments

Windows Kernel, Virtualization & Silicon Team

Revision History

  • 2025-07-08: Information published.