CVE-2026-27909: CWE-416: Use After Free in Microsoft Windows 10 Version 1607
Use after free in Microsoft Windows Search Component allows an authorized attacker to elevate privileges locally.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-27909) involves a use-after-free condition in the Windows Search Component of Microsoft Windows 10 Version 1607 (build 10.0.14393.0). Exploitation requires local access with some privileges and does not require user interaction. Successful exploitation could result in elevation of privileges, compromising system confidentiality, integrity, and availability. Microsoft has released an official fix to remediate this issue.
Potential Impact
An authorized local attacker can exploit this use-after-free vulnerability to elevate their privileges on the affected Windows 10 Version 1607 system. This could lead to full system compromise, including unauthorized access to sensitive data and potential disruption of system operations.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the security update provided in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-27909 to remediate this vulnerability.
CVE-2026-27909: CWE-416: Use After Free in Microsoft Windows 10 Version 1607
Description
Use after free in Microsoft Windows Search Component 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 (CVE-2026-27909) involves a use-after-free condition in the Windows Search Component of Microsoft Windows 10 Version 1607 (build 10.0.14393.0). Exploitation requires local access with some privileges and does not require user interaction. Successful exploitation could result in elevation of privileges, compromising system confidentiality, integrity, and availability. Microsoft has released an official fix to remediate this issue.
Potential Impact
An authorized local attacker can exploit this use-after-free vulnerability to elevate their privileges on the affected Windows 10 Version 1607 system. This could lead to full system compromise, including unauthorized access to sensitive data and potential disruption of system operations.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the security update provided in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-27909 to remediate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-02-24T21:35:49.686Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-27909","vendor":"Microsoft"}]
Threat ID: 69de7a1d82d89c981fd6a734
Added to database: 04/14/2026, 17:32:13 UTC
Last enriched: 06/19/2026, 17:01:45 UTC
Last updated: 07/31/2026, 19:22:58 UTC
Views: 93
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