CVE-2026-33098: CWE-416: Use After Free in Microsoft Windows 10 Version 1607
Use after free in Windows Container Isolation FS Filter Driver allows an authorized attacker to elevate privileges locally.
AI Analysis
Technical Summary
This vulnerability involves a use-after-free condition in the Windows Container Isolation FS Filter Driver on Windows 10 Version 1607 (build 10.0.14393.0). An authorized attacker with local access can exploit this flaw to elevate their privileges on the affected system. The vulnerability is tracked as CWE-416. Microsoft has published an official security update to remediate this issue.
Potential Impact
Successful exploitation of this vulnerability allows an authorized local attacker to elevate their privileges, potentially gaining higher-level access and control over the affected Windows 10 system. The confidentiality, integrity, and availability of the system can be fully compromised as indicated by the CVSS vector (C:H/I:H/A:H).
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 (build 10.0.14393.0) as detailed in the Microsoft Security Response Center advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-33098. Applying this update will remediate the vulnerability.
CVE-2026-33098: CWE-416: Use After Free in Microsoft Windows 10 Version 1607
Description
Use after free in Windows Container Isolation FS Filter Driver 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 use-after-free condition in the Windows Container Isolation FS Filter Driver on Windows 10 Version 1607 (build 10.0.14393.0). An authorized attacker with local access can exploit this flaw to elevate their privileges on the affected system. The vulnerability is tracked as CWE-416. Microsoft has published an official security update to remediate this issue.
Potential Impact
Successful exploitation of this vulnerability allows an authorized local attacker to elevate their privileges, potentially gaining higher-level access and control over the affected Windows 10 system. The confidentiality, integrity, and availability of the system can be fully compromised as indicated by the CVSS vector (C:H/I:H/A:H).
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 (build 10.0.14393.0) as detailed in the Microsoft Security Response Center advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-33098. Applying this update will remediate the vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-03-17T20:15:23.718Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-33098","vendor":"Microsoft"}]
Threat ID: 69de7a3882d89c981fd6ceff
Added to database: 04/14/2026, 17:32:40 UTC
Last enriched: 06/19/2026, 17:12:55 UTC
Last updated: 07/31/2026, 19:22:58 UTC
Views: 138
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