CVE-2026-42913: CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') in Microsoft Remote Desktop client for Windows Desktop
Concurrent execution using shared resource with improper synchronization ('race condition') in Remote Desktop Client allows an unauthorized attacker to execute code over a network.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-42913) in the Microsoft Remote Desktop client for Windows Desktop is caused by improper synchronization during concurrent execution of shared resources, classified as CWE-362 (Race Condition). Exploitation could allow an unauthorized attacker to execute arbitrary code remotely. The vulnerability affects version 1.2.0.0 of the client. Microsoft has released an official fix to address this issue.
Potential Impact
Successful exploitation of this race condition vulnerability could lead to remote code execution with high impact on confidentiality, integrity, and availability of the affected system. This could allow an attacker to run arbitrary code remotely without privileges, potentially compromising the system.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the provided patch from the Microsoft Security Response Center advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-42913 to remediate this vulnerability.
CVE-2026-42913: CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') in Microsoft Remote Desktop client for Windows Desktop
Description
Concurrent execution using shared resource with improper synchronization ('race condition') in Remote Desktop Client allows an unauthorized attacker to execute code over a network.
CVSS v3.1
Score 7.5high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-42913) in the Microsoft Remote Desktop client for Windows Desktop is caused by improper synchronization during concurrent execution of shared resources, classified as CWE-362 (Race Condition). Exploitation could allow an unauthorized attacker to execute arbitrary code remotely. The vulnerability affects version 1.2.0.0 of the client. Microsoft has released an official fix to address this issue.
Potential Impact
Successful exploitation of this race condition vulnerability could lead to remote code execution with high impact on confidentiality, integrity, and availability of the affected system. This could allow an attacker to run arbitrary code remotely without privileges, potentially compromising the system.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the provided patch from the Microsoft Security Response Center advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-42913 to remediate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-04-30T22:35:54.969Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-42913","vendor":"Microsoft"}]
Threat ID: 6a284cc48dd33fbd85664817
Added to database: 06/09/2026, 17:26:28 UTC
Last enriched: 07/29/2026, 21:48:13 UTC
Last updated: 07/31/2026, 21:26:44 UTC
Views: 65
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