CVE-2026-42913
Remote Desktop Client Remote Code Execution Vulnerability
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.
INFO
Published Date :
June 9, 2026, 5:17 p.m.
Last Modified :
July 9, 2026, 12:17 a.m.
Remotely Exploit :
No
Source :
[email protected]
Affected Products
The following products are affected by CVE-2026-42913
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | |||||
| CVSS 3.1 | HIGH | f38d906d-7342-40ea-92c1-6c4a2c6478c8 | ||||
| CVSS 3.1 | HIGH | [email protected] |
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-42913.
| URL | Resource |
|---|---|
| https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-42913 | Vendor Advisory |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-42913 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-42913
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-42913 vulnerability anywhere in the article.
-
Zero Day Initiative
The June 2026 Security Update Review
CVE Title Severity CVSS Public Exploited XI Type CVE-2026-41091 Microsoft Defender Elevation of Privilege Vulnerability Important 7.8 Yes Yes 0 EoP CVE-2026-49160 HTTP.sys Denial of Service Vulnerabil ... Read more
The following table lists the changes that have been made to the
CVE-2026-42913 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
Jul. 09, 2026
Action Type Old Value New Value Changed Description Heap-based buffer overflow in Remote Desktop Client allows an unauthorized attacker to execute code over a network. Concurrent execution using shared resource with improper synchronization ('race condition') in Remote Desktop Client allows an unauthorized attacker to execute code over a network. -
Initial Analysis by [email protected]
Jun. 17, 2026
Action Type Old Value New Value Added CWE CWE-362 Added CWE CWE-787 Added CPE Configuration OR *cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:arm64:* versions up to (excluding) 10.0.22631.7219 *cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:x64:* versions up to (excluding) 10.0.22631.7219 *cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:arm64:* versions up to (excluding) 10.0.26100.8655 *cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:x64:* versions up to (excluding) 10.0.26100.8655 *cpe:2.3:o:microsoft:windows_11_25h2:*:*:*:*:*:*:arm64:* versions up to (excluding) 10.0.26200.8655 *cpe:2.3:o:microsoft:windows_11_25h2:*:*:*:*:*:*:x64:* versions up to (excluding) 10.0.26200.8655 *cpe:2.3:o:microsoft:windows_11_26h1:*:*:*:*:*:*:arm64:* versions up to (excluding) 10.0.28000.2269 *cpe:2.3:o:microsoft:windows_11_26h1:*:*:*:*:*:*:x64:* versions up to (excluding) 10.0.28000.2269 *cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:x64:* versions up to (excluding) 10.0.26100.32995 *cpe:2.3:a:microsoft:remote_desktop_client:*:*:*:*:*:windows:*:* versions up to (excluding) 1.2.7214 *cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:-:*:x64:* versions up to (excluding) 10.0.20348.5256 Added Reference Type Microsoft Corporation: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-42913 Types: Vendor Advisory -
CVE Modified by [email protected]
Jun. 17, 2026
Action Type Old Value New Value Added Affected [{'vendor': 'Microsoft', 'product': 'Remote Desktop client for Windows Desktop', 'versions': [{'status': 'affected', 'version': '1.2.0.0', 'lessThan': '1.2.7214.0', 'versionType': 'custom'}]}, {'vendor': 'Microsoft', 'product': 'Windows 11 version 23H2', 'versions': [{'status': 'affected', 'version': '10.0.22631.0', 'lessThan': '10.0.22631.7219', 'versionType': 'custom'}], 'platforms': ['ARM64-based Systems']}, {'vendor': 'Microsoft', 'product': 'Windows 11 Version 23H2', 'versions': [{'status': 'affected', 'version': '10.0.22631.0', 'lessThan': '10.0.22631.7219', 'versionType': 'custom'}], 'platforms': ['x64-based Systems']}, {'vendor': 'Microsoft', 'product': 'Windows 11 Version 24H2', 'versions': [{'status': 'affected', 'version': '10.0.26100.0', 'lessThan': '10.0.26100.8655', 'versionType': 'custom'}], 'platforms': ['ARM64-based Systems', 'x64-based Systems']}, {'vendor': 'Microsoft', 'product': 'Windows 11 Version 25H2', 'versions': [{'status': 'affected', 'version': '10.0.26200.0', 'lessThan': '10.0.26200.8655', 'versionType': 'custom'}], 'platforms': ['ARM64-based Systems', 'x64-based Systems']}, {'vendor': 'Microsoft', 'product': 'Windows 11 version 26H1', 'versions': [{'status': 'affected', 'version': '10.0.28000.0', 'lessThan': '10.0.28000.2269', 'versionType': 'custom'}], 'platforms': ['ARM64-based Systems', 'x64-based Systems']}, {'vendor': 'Microsoft', 'product': 'Windows Server 2022', 'versions': [{'status': 'affected', 'version': '10.0.20348.0', 'lessThan': '10.0.20348.5256', 'versionType': 'custom'}], 'platforms': ['x64-based Systems']}, {'vendor': 'Microsoft', 'product': 'Windows Server 2025', 'versions': [{'status': 'affected', 'version': '10.0.26100.0', 'lessThan': '10.0.26100.32995', 'versionType': 'custom'}], 'platforms': ['x64-based Systems']}, {'vendor': 'Microsoft', 'product': 'Windows Server 2025 (Server Core installation)', 'versions': [{'status': 'affected', 'version': '10.0.26100.0', 'lessThan': '10.0.26100.32995', 'versionType': 'custom'}], 'platforms': ['x64-based Systems']}] -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Jun. 17, 2026
Action Type Old Value New Value Added SSVC {'id': 'CVE-2026-42913', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'no'}, {'technicalImpact': 'total'}], 'version': '2.0.3', 'timestamp': '2026-06-10T03:57:16.023134Z'} -
New CVE Received by [email protected]
Jun. 09, 2026
Action Type Old Value New Value Added Description Heap-based buffer overflow in Remote Desktop Client allows an unauthorized attacker to execute code over a network. Added CVSS V3.1 AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H Added CWE CWE-362 Added CWE CWE-416 Added Reference https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-42913