CVE-2026-26179: CWE-415: Double Free in Microsoft Windows 11 version 22H3
Double free in Windows Kernel allows an authorized attacker to elevate privileges locally.
AI Analysis
Technical Summary
This vulnerability involves a double free condition in the Windows Kernel on Windows 11 version 22H3 (build 10.0.22631.0). An authorized local attacker can exploit this flaw to elevate their privileges on the affected system. The CVSS v3.1 base score is 7.8, reflecting high impact on confidentiality, integrity, and availability. Microsoft has released an official fix to address this issue as documented in their security update guide.
Potential Impact
Successful exploitation allows an authorized local attacker to elevate privileges, potentially gaining higher system rights and control. This can lead to full system compromise, affecting 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 11 version 22H3 (build 10.0.22631.0) as soon as possible to remediate this vulnerability.
CVE-2026-26179: CWE-415: Double Free in Microsoft Windows 11 version 22H3
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 involves a double free condition in the Windows Kernel on Windows 11 version 22H3 (build 10.0.22631.0). An authorized local attacker can exploit this flaw to elevate their privileges on the affected system. The CVSS v3.1 base score is 7.8, reflecting high impact on confidentiality, integrity, and availability. Microsoft has released an official fix to address this issue as documented in their security update guide.
Potential Impact
Successful exploitation allows an authorized local attacker to elevate privileges, potentially gaining higher system rights and control. This can lead to full system compromise, affecting 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 11 version 22H3 (build 10.0.22631.0) as soon as possible to remediate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-02-11T18:33:57.777Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-26179","vendor":"Microsoft"}]
Threat ID: 69de7a1b82d89c981fd6a6df
Added to database: 04/14/2026, 17:32:11 UTC
Last enriched: 06/19/2026, 17:00:43 UTC
Last updated: 07/31/2026, 19:22:58 UTC
Views: 157
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