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MSRC compact vulnerability detail

CVE-2025-48803 · Windows Virtualization-Based Security (VBS) Elevation of Privilege Vulnerability

Missing support for integrity check in Windows Virtualization-Based Security (VBS) Enclave allows an authorized attacker to elevate privileges locally.

Severity
Important
Impact
Elevation of Privilege
CVSS
6.7 base · 5.8 temporal
Release
2025-07-08
Signals
Windows Virtualization-Based Security (VBS) Enclave Elevation of Privilege Exploited: No Publicly disclosed: No Exploitability: Exploitation Less Likely
CWE
CWE-353: Missing Support for Integrity Check
Patch Diff
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Description
Missing support for integrity check in Windows Virtualization-Based Security (VBS) Enclave allows an authorized attacker to elevate privileges locally.
FAQ / Articles
Windows Virtualization-Based Security (VBS) Enclave Elevation of Privilege Vulnerability
No cwe for this issue in Windows Virtualization-Based Security (VBS) Enclave allows an authorized attacker to elevate privileges locally.
FAQ
What privileges could be gained by an attacker who successfully exploited this vulnerability? An attacker who successfully exploited this vulnerability could gain Virtual Trust Level 1 (VTL1) privileges.
Windows Virtualization-Based Security (VBS) Enclave Elevation of Privilege Vulnerability
Missing support for integrity check in Windows Virtualization-Based Security (VBS) Enclave allows an authorized attacker to elevate privileges locally.