CVE-2026-41095 Details
Description
Use after free in Data Deduplication allows an authorized attacker to elevate privileges locally.
A use-after-free vulnerability in the Data Deduplication feature of Microsoft Windows Server allows an authorized attacker to locally elevate privileges. This vulnerability affects multiple versions of Windows Server, including 2012 R2, 2016, 2019, 2022, and 2025, as well as their Server Core installations.
Users can apply the security updates provided by Microsoft to address this vulnerability. These security updates are available through the Microsoft Update Catalog. Specific update details can be found in the Microsoft Knowledge Base articles linked in the 'Security Updates' section.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed May 7, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-41095 | [email protected] | Vendor Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-416 | Use After Free | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| microsoft windows server 2012 | r2 |
CPE
Remediation
| |
| microsoft windows server 2016 | < 10.0.14393.9140 |
CPE
Remediation
| |
| microsoft windows server 2019 | < 10.0.17763.8755 |
CPE
Remediation
| |
| microsoft windows server 2022 | < 10.0.20348.5074 |
CPE
Remediation
| |
| microsoft windows server 2022 23h2 | < 10.0.25398.2330 |
CPE
Remediation
| |
| microsoft windows server 2025 | < 10.0.26100.32772 |
CPE
Remediation
| |
Change History
4 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| May 15, 2026 | Initial Analysis | [email protected] |
| May 12, 2026 | New CVE Received | [email protected] |