PT-2025-28536 · Microsoft · Windows Virtualization-Based Security+1

Published 2025-07-08 · Updated 2025-07-09 · CVE-2025-48803

Positive Technologies (AI Summary)

CVSS v2.0

6.8

Medium

Base vector

AV:L/AC:L/Au:S/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions: Windows Virtualization-Based Security (VBS) (affected versions not specified)

Description: The issue concerns a lack of integrity check support in Windows Virtualization-Based Security (VBS) Enclave, allowing an authorized attacker to locally elevate privileges.

Recommendations: At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Weakness Enumeration

CWE-353

Related Identifiers

BDU:2025-08359

CVE-2025-48803

Affected Products

Windows

Windows Virtualization-Based Security

References · 8

• https://nvd.nist.gov/vuln/detail/CVE-2025-48803 · Security Note
• https://osv.dev/vulnerability/CVE-2025-48803 · Vendor Advisory
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-48803 · Vendor Advisory
• https://bdu.fstec.ru/vul/2025-08359 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2025-48803 · Security Note
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2025-48803 · Vendor Advisory
• https://twitter.com/windowsforum/status/1942649765960782019 · Twitter Post
• https://twitter.com/CVEnew/status/1942958433470222449 · Twitter Post