CVE-2026-48563: CWE-416: Use After Free in Microsoft Windows 10 Version 1809
Use after free in Remote Desktop Client allows an unauthorized attacker to execute code over a network.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-48563) involves a use-after-free condition in the Remote Desktop Client on Windows 10 Version 1809 (build 10.0.17763.0). Exploitation could allow an attacker without privileges to execute arbitrary code remotely, impacting confidentiality, integrity, and availability. The vulnerability requires user interaction and has a high attack complexity. Microsoft has released an official patch to remediate this issue.
Potential Impact
Successful exploitation could lead to remote code execution by an unauthorized attacker, potentially resulting in full system compromise including confidentiality, integrity, and availability impacts. The attack requires user interaction and has high complexity, which may limit exploitation scenarios.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the security update provided in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-48563 to remediate this vulnerability.
CVE-2026-48563: CWE-416: Use After Free in Microsoft Windows 10 Version 1809
Description
Use after free 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-2026-48563) involves a use-after-free condition in the Remote Desktop Client on Windows 10 Version 1809 (build 10.0.17763.0). Exploitation could allow an attacker without privileges to execute arbitrary code remotely, impacting confidentiality, integrity, and availability. The vulnerability requires user interaction and has a high attack complexity. Microsoft has released an official patch to remediate this issue.
Potential Impact
Successful exploitation could lead to remote code execution by an unauthorized attacker, potentially resulting in full system compromise including confidentiality, integrity, and availability impacts. The attack requires user interaction and has high complexity, which may limit exploitation scenarios.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the security update provided in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-48563 to remediate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-05-21T20:00:35.245Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-48563","vendor":"Microsoft"}]
Threat ID: 6a284d0f8dd33fbd8566589e
Added to database: 06/09/2026, 17:27:43 UTC
Last enriched: 08/14/2026, 13:50:51 UTC
Last updated: 09/10/2026, 19:36:54 UTC
Views: 88
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