CVE-2026-54995: CWE-416: Use After Free in Microsoft Windows 10 Version 1607
Use after free in Reliable Multicast Transport Driver (RMCAST) allows an unauthorized attacker to execute code over a network.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-54995) involves a use-after-free condition in the Reliable Multicast Transport Driver component of Microsoft Windows 10 Version 1607 (build 10.0.14393.0). Exploitation could allow an attacker to execute arbitrary code remotely without user interaction, given the network attack vector. The vulnerability has been assigned a CVSS v3.1 base score of 8.1, indicating high impact on confidentiality, integrity, and availability. Microsoft has released an official fix to remediate this vulnerability, as documented in their security update guide.
Potential Impact
Successful exploitation of this vulnerability could lead to remote code execution by an unauthorized attacker, potentially resulting in full system compromise including complete control over the affected Windows 10 Version 1607 system. The vulnerability affects confidentiality, integrity, and availability of the system.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the security update provided by Microsoft for Windows 10 Version 1607 as soon as possible to remediate this vulnerability. Refer to the Microsoft security update guide at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-54995 for detailed patch information and deployment instructions.
CVE-2026-54995: CWE-416: Use After Free in Microsoft Windows 10 Version 1607
Description
Use after free in Reliable Multicast Transport Driver (RMCAST) allows an unauthorized attacker to execute code over a network.
CVSS v3.1
Score 8.1high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-54995) involves a use-after-free condition in the Reliable Multicast Transport Driver component of Microsoft Windows 10 Version 1607 (build 10.0.14393.0). Exploitation could allow an attacker to execute arbitrary code remotely without user interaction, given the network attack vector. The vulnerability has been assigned a CVSS v3.1 base score of 8.1, indicating high impact on confidentiality, integrity, and availability. Microsoft has released an official fix to remediate this vulnerability, as documented in their security update guide.
Potential Impact
Successful exploitation of this vulnerability could lead to remote code execution by an unauthorized attacker, potentially resulting in full system compromise including complete control over the affected Windows 10 Version 1607 system. The vulnerability affects confidentiality, integrity, and availability of the system.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the security update provided by Microsoft for Windows 10 Version 1607 as soon as possible to remediate this vulnerability. Refer to the Microsoft security update guide at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-54995 for detailed patch information and deployment instructions.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-06-16T14:10:05.869Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-54995","vendor":"Microsoft"}]
Threat ID: 6a566f7e68715ace43e6bc22
Added to database: 07/14/2026, 17:18:54 UTC
Last enriched: 07/14/2026, 17:50:43 UTC
Last updated: 07/14/2026, 20:03:47 UTC
Views: 2
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