Windows Remote Desktop Services Remote Code Execution Vulnerability

Source data

Overview

Use after free in Windows Remote Desktop Services allows an authorized attacker to execute code over a network.

Impact & technical details

Remote Code Execution

How could an attacker exploit this vulnerability? An authenticated attacker could exploit this vulnerability by connecting to a target system via Remote Desktop Protocol (RDP) and sending specially crafted requests that trigger a use-after-free condition in the Remote Desktop service, allowing the attacker to execute arbitrary code on the target system.

According to the CVSS metric, privileges required is low (PR:L). What does that mean for this vulnerability? An attacker must first have access to a Windows system as an authenticated user and then use that system to establish a connection to the target server and send the malicious data that triggers the vulnerability.

CVSS base score

8.8 / 10

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

Highest base score supplied by MSRC for this record; the vector belongs to that score. Ratings can vary by product. Microsoft Important is displayed as High; Moderate is displayed as Medium.

Affected products

• Windows 10 Version 21H2 for 32-bit Systems
• Windows 10 Version 21H2 for ARM64-based Systems
• Windows 10 Version 21H2 for x64-based Systems
• Windows 10 Version 22H2 for 32-bit Systems
• Windows 10 Version 22H2 for ARM64-based Systems
• Windows 10 Version 22H2 for x64-based Systems
• Windows 11 Version 24H2 for ARM64-based Systems
• Windows 11 Version 24H2 for x64-based Systems

Source guidance

Remediation

The source provides update references without a separate remediation summary. Review the applicable update links below.

At least one Microsoft vendor-fix reference is available. Check each affected product for its applicable update, prerequisites, and supported version.

Authoritative sources & updates

Findings and update information come from the linked publishers. GTP compiles the public record and provides the recommendation above. CVSS ratings shown here come from Microsoft. NVD references provide additional public context.

• Microsoft Security Response Center (opens in a new tab)
• Microsoft security update · 5099540 (opens in a new tab)
• Microsoft remediation guidance (opens in a new tab)
• Microsoft security update · 5099539 (opens in a new tab)
• Microsoft remediation guidance (opens in a new tab)
• Microsoft security update · 5099536 (opens in a new tab)
• Microsoft remediation guidance (opens in a new tab)
• Microsoft security update · 5101650 (opens in a new tab)
• Microsoft remediation guidance (opens in a new tab)
• Microsoft security update · 5101649 (opens in a new tab)
• Microsoft remediation guidance (opens in a new tab)