CVE-2026-27917: CWE-416: Use After Free in Microsoft Windows 10 Version 1607
Use after free in Windows WFP NDIS Lightweight Filter Driver (wfplwfs.sys) allows an authorized attacker to elevate privileges locally.
AI Analysis
Technical Summary
This vulnerability involves a use-after-free condition in the Windows WFP NDIS Lightweight Filter Driver (wfplwfs.sys) on Windows 10 Version 1607 (build 10.0.14393.0). Exploitation requires local access with low privileges and high attack complexity. Successful exploitation could lead to elevation of privileges, impacting confidentiality, integrity, and availability of the system. Microsoft has released an official patch to remediate this vulnerability.
Potential Impact
An authorized local attacker can exploit this use-after-free vulnerability to elevate privileges on the affected Windows 10 Version 1607 system. This could allow the attacker to gain higher-level access rights, potentially leading to full system compromise. The vulnerability affects confidentiality, integrity, and availability of the system.
Mitigation Recommendations
Microsoft has released an official fix for this vulnerability. It is strongly recommended to apply the provided security update from the Microsoft Security Response Center to remediate this issue. No additional mitigation steps are indicated by the vendor advisory.
CVE-2026-27917: CWE-416: Use After Free in Microsoft Windows 10 Version 1607
Description
Use after free in Windows WFP NDIS Lightweight Filter Driver (wfplwfs.sys) allows an authorized attacker to elevate privileges locally.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves a use-after-free condition in the Windows WFP NDIS Lightweight Filter Driver (wfplwfs.sys) on Windows 10 Version 1607 (build 10.0.14393.0). Exploitation requires local access with low privileges and high attack complexity. Successful exploitation could lead to elevation of privileges, impacting confidentiality, integrity, and availability of the system. Microsoft has released an official patch to remediate this vulnerability.
Potential Impact
An authorized local attacker can exploit this use-after-free vulnerability to elevate privileges on the affected Windows 10 Version 1607 system. This could allow the attacker to gain higher-level access rights, potentially leading to full system compromise. The vulnerability affects confidentiality, integrity, and availability of the system.
Mitigation Recommendations
Microsoft has released an official fix for this vulnerability. It is strongly recommended to apply the provided security update from the Microsoft Security Response Center to remediate this issue. No additional mitigation steps are indicated by the vendor advisory.
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-2026-27917","vendor":"Microsoft"}]
Threat ID: 69de7a2182d89c981fd6a7d3
Added to database: 4/14/2026, 5:32:17 PM
Last enriched: 4/14/2026, 6:48:06 PM
Last updated: 4/15/2026, 6:04:23 AM
Views: 3
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