Numeric Truncation Error

CVE-2025-49679

High

7.8/10

Summary

Numeric truncation error in Windows Shell allows an authorized attacker to elevate privileges locally.

Attack Complexity: LOW
Attack Vector: LOCAL
Integrity Impact: HIGH
Scope: UNCHANGED
User Interaction: NONE
Privileges Required: LOW
Confidentiality Impact: HIGH
Availability Impact: HIGH

CWE-197 - Numeric Truncation Error

Truncation errors occur when a primitive is cast to a primitive of a smaller size and data is lost in the conversion.

References

Advisory Timeline

Published Jul 08, 2025