CVE-2026-45476: CWE-416: Use After Free in Microsoft Linux kernel - Microsoft MANA Network Driver
Use after free in Linux MANA Driver allows an authorized attacker to elevate privileges locally.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-45476) involves a use-after-free condition in the Microsoft MANA Network Driver within the Linux kernel. Exploitation requires local authorized access and can lead to privilege escalation. The issue is classified under CWE-416 (Use After Free). Microsoft has published an official fix to address this vulnerability.
Potential Impact
An authorized local attacker can exploit this use-after-free vulnerability to elevate their privileges, potentially gaining higher-level access and control over the affected system. The vulnerability impacts confidentiality, integrity, and availability as indicated by the CVSS vector.
Mitigation Recommendations
An official fix is available from Microsoft. Users should apply the vendor-provided patch as detailed in the Microsoft Security Response Center advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45476 to remediate this vulnerability.
CVE-2026-45476: CWE-416: Use After Free in Microsoft Linux kernel - Microsoft MANA Network Driver
Description
Use after free in Linux MANA Driver allows an authorized attacker to elevate privileges locally.
CVSS v3.1
Score 8.2high
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-45476) involves a use-after-free condition in the Microsoft MANA Network Driver within the Linux kernel. Exploitation requires local authorized access and can lead to privilege escalation. The issue is classified under CWE-416 (Use After Free). Microsoft has published an official fix to address this vulnerability.
Potential Impact
An authorized local attacker can exploit this use-after-free vulnerability to elevate their privileges, potentially gaining higher-level access and control over the affected system. The vulnerability impacts confidentiality, integrity, and availability as indicated by the CVSS vector.
Mitigation Recommendations
An official fix is available from Microsoft. Users should apply the vendor-provided patch as detailed in the Microsoft Security Response Center advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45476 to remediate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-05-12T16:06:43.100Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45476","vendor":"Microsoft"}]
Threat ID: 6a284cdc8dd33fbd85664d3f
Added to database: 6/9/2026, 5:26:52 PM
Last enriched: 6/9/2026, 10:12:57 PM
Last updated: 6/10/2026, 5:08:58 AM
Views: 2
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