CVE-2026-26163: CWE-415: Double Free in Microsoft Windows 10 Version 1607
Double free in Windows Kernel allows an authorized attacker to elevate privileges locally.
AI Analysis
Technical Summary
This vulnerability, identified as CVE-2026-26163 and classified under CWE-415 (Double Free), affects Windows 10 Version 1607 (build 10.0.14393.0). The flaw exists in the Windows Kernel where a double free condition can be triggered by an authorized local user, potentially leading to privilege escalation. The CVSS v3.1 base score is 7.8, indicating high severity with impacts on confidentiality, integrity, and availability. Microsoft has released an official fix to remediate this vulnerability as documented in their security update guide.
Potential Impact
An authorized local attacker can exploit this double free vulnerability to elevate privileges on the affected system. Successful exploitation could result in full control over the system, impacting confidentiality, integrity, and availability of the affected Windows 10 Version 1607 environment.
Mitigation Recommendations
Microsoft has released an official fix for this vulnerability. Users and administrators should apply the security update provided by Microsoft as soon as possible to remediate the issue. Refer to the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-26163 for detailed patch information and deployment guidance.
CVE-2026-26163: CWE-415: Double Free in Microsoft Windows 10 Version 1607
Description
Double free in Windows Kernel allows an authorized attacker to elevate privileges locally.
CVSS v3.1
Score 7.8high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability, identified as CVE-2026-26163 and classified under CWE-415 (Double Free), affects Windows 10 Version 1607 (build 10.0.14393.0). The flaw exists in the Windows Kernel where a double free condition can be triggered by an authorized local user, potentially leading to privilege escalation. The CVSS v3.1 base score is 7.8, indicating high severity with impacts on confidentiality, integrity, and availability. Microsoft has released an official fix to remediate this vulnerability as documented in their security update guide.
Potential Impact
An authorized local attacker can exploit this double free vulnerability to elevate privileges on the affected system. Successful exploitation could result in full control over the system, impacting confidentiality, integrity, and availability of the affected Windows 10 Version 1607 environment.
Mitigation Recommendations
Microsoft has released an official fix for this vulnerability. Users and administrators should apply the security update provided by Microsoft as soon as possible to remediate the issue. Refer to the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-26163 for detailed patch information and deployment guidance.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-02-11T18:33:57.775Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-26163","vendor":"Microsoft"}]
Threat ID: 69de7a1882d89c981fd6a67a
Added to database: 04/14/2026, 17:32:08 UTC
Last enriched: 06/19/2026, 16:59:13 UTC
Last updated: 07/31/2026, 19:22:58 UTC
Views: 85
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