CVE-2025-21297 - Use After Free

Severity

81%

Complexity

22%

Confidentiality

98%

Windows Remote Desktop Services Remote Code Execution Vulnerability

CVSS 3.1 Base Score 8.1. CVSS Attack Vector: network. CVSS Attack Complexity: high. CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H).

Demo Examples

Use After Free

CWE-416

The following example demonstrates the weakness.


               
}
free(buf3R2);

Use After Free

CWE-416

The following code illustrates a use after free error:


               
}
free(ptr);
logError("operation aborted before commit", ptr);

When an error occurs, the pointer is immediately freed. However, this pointer is later incorrectly used in the logError function.

Overview

Type

Microsoft Windows Server

First reported 1 month ago

2025-01-14 18:15:00

Last updated 4 weeks ago

2025-01-24 21:48:00

Affected Software

Microsoft Windows Server 2012

Microsoft Windows Server 2019

Microsoft Windows Server 2016

References

Windows Remote Desktop Services Remote Code Execution Vulnerability

Windows Remote Desktop Services Remote Code Execution Vulnerability

Patch, Vendor Advisory

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