CVE-2026-41095: CWE-416: Use After Free in Microsoft Windows Server 2012 R2
Use after free in Data Deduplication allows an authorized attacker to elevate privileges locally.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-41095) involves a use-after-free condition in the Data Deduplication component of Microsoft Windows Server 2012 R2 (version 6.3.9600.0). Exploitation requires local access with some privileges and does not require user interaction. Successful exploitation can lead to full confidentiality, integrity, and availability impact by elevating privileges locally. 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, potentially gaining higher-level access to the system. This can compromise system confidentiality, integrity, and availability.
Mitigation Recommendations
An official fix is available from Microsoft. Administrators should apply the vendor-provided patch as detailed in the Microsoft Security Response Center advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-41095 to remediate this vulnerability.
CVE-2026-41095: CWE-416: Use After Free in Microsoft Windows Server 2012 R2
Description
Use after free in Data Deduplication 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-2026-41095) involves a use-after-free condition in the Data Deduplication component of Microsoft Windows Server 2012 R2 (version 6.3.9600.0). Exploitation requires local access with some privileges and does not require user interaction. Successful exploitation can lead to full confidentiality, integrity, and availability impact by elevating privileges locally. 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, potentially gaining higher-level access to the system. This can compromise system confidentiality, integrity, and availability.
Mitigation Recommendations
An official fix is available from Microsoft. Administrators should apply the vendor-provided patch as detailed in the Microsoft Security Response Center advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-41095 to remediate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-04-16T19:12:36.195Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-41095","vendor":"Microsoft"}]
Threat ID: 6a03655bcbff5d861008cb0d
Added to database: 05/12/2026, 17:37:31 UTC
Last enriched: 06/19/2026, 17:41:36 UTC
Last updated: 07/31/2026, 19:22:58 UTC
Views: 92
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