Incorrect Calculation of Buffer Size

CVE-2021-1647

High

7.8/10

Summary

Microsoft Defender Remote Code Execution Vulnerability

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

CWE-131 - Incorrect Calculation of Buffer Size

The software does not correctly calculate the size to be used when allocating a buffer, which could lead to a buffer overflow.

References

Advisory Timeline

Published Jan 12, 2021