CVE-2026-27915: CWE-416: Use After Free in Microsoft Windows 10 Version 1607
Use after free in Windows Universal Plug and Play (UPnP) Device Host allows an authorized attacker to elevate privileges locally.
AI Analysis
Technical Summary
This vulnerability involves a use-after-free condition in the Windows UPnP Device Host service on Windows 10 Version 1607 (build 10.0.14393.0). Exploitation requires local access with some level of authorization and can result in privilege escalation, allowing the attacker to gain higher system privileges. The vulnerability is tracked as CWE-416. Microsoft has published an official fix to remediate this issue.
Potential Impact
Successful exploitation of this vulnerability can lead to local privilege escalation, granting an attacker elevated permissions on the affected system. This could allow the attacker to execute code with higher privileges, potentially compromising system integrity and confidentiality. There are no known exploits in the wild at this time.
Mitigation Recommendations
An official fix is available from Microsoft. It is recommended to apply the security update provided in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-27915 to remediate this vulnerability. No additional mitigation steps are indicated by the vendor.
CVE-2026-27915: CWE-416: Use After Free in Microsoft Windows 10 Version 1607
Description
Use after free in Windows Universal Plug and Play (UPnP) Device Host allows an authorized attacker to elevate privileges locally.
CVSS v3.1
Score 7.8high
Affected software
Microsoft
Windows 10 Version 1607
Microsoft
Windows 10 Version 1809
Microsoft
Windows 10 Version 21H2
Microsoft
Windows 10 Version 22H2
Microsoft
Windows 11 version 22H3
Microsoft
Windows 11 Version 23H2
Microsoft
Windows 11 Version 24H2
Microsoft
Windows 11 Version 25H2
Microsoft
Windows 11 version 26H1
Microsoft
Windows Server 2012
Microsoft
Windows Server 2012 (Server Core installation)
Microsoft
Windows Server 2012 R2
Microsoft
Windows Server 2012 R2 (Server Core installation)
Microsoft
Windows Server 2016
Microsoft
Windows Server 2016 (Server Core installation)
Microsoft
Windows Server 2019
Microsoft
Windows Server 2019 (Server Core installation)
Microsoft
Windows Server 2022
Microsoft
Windows Server 2022, 23H2 Edition (Server Core installation)
Microsoft
Windows Server 2025
Microsoft
Windows Server 2025 (Server Core installation)
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves a use-after-free condition in the Windows UPnP Device Host service on Windows 10 Version 1607 (build 10.0.14393.0). Exploitation requires local access with some level of authorization and can result in privilege escalation, allowing the attacker to gain higher system privileges. The vulnerability is tracked as CWE-416. Microsoft has published an official fix to remediate this issue.
Potential Impact
Successful exploitation of this vulnerability can lead to local privilege escalation, granting an attacker elevated permissions on the affected system. This could allow the attacker to execute code with higher privileges, potentially compromising system integrity and confidentiality. There are no known exploits in the wild at this time.
Mitigation Recommendations
An official fix is available from Microsoft. It is recommended to apply the security update provided in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-27915 to remediate this vulnerability. No additional mitigation steps are indicated by the vendor.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-02-24T21:35:49.687Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-27915","vendor":"Microsoft"}]
Threat ID: 69de7a2182d89c981fd6a7cd
Added to database: 04/14/2026, 17:32:17 UTC
Last enriched: 08/15/2026, 13:57:51 UTC
Last updated: 09/14/2026, 22:01:33 UTC
Views: 127
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