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. It permits an authorized local attacker to escalate privileges, potentially gaining higher system rights. 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 on the affected system. This could lead to full system compromise, including confidentiality, integrity, and availability impacts as indicated by the CVSS vector (C:H/I:H/A:H).
Mitigation Recommendations
An official fix is available from Microsoft. Users should apply the vendor-provided patch as soon as possible to remediate this vulnerability. Refer to the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45476 for patch details and update instructions.
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
Affected software
Microsoft
Linux kernel - Microsoft MANA Network Driver
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. It permits an authorized local attacker to escalate privileges, potentially gaining higher system rights. 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 on the affected system. This could lead to full system compromise, including confidentiality, integrity, and availability impacts as indicated by the CVSS vector (C:H/I:H/A:H).
Mitigation Recommendations
An official fix is available from Microsoft. Users should apply the vendor-provided patch as soon as possible to remediate this vulnerability. Refer to the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45476 for patch details and update instructions.
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: 06/09/2026, 17:26:52 UTC
Last enriched: 08/14/2026, 13:36:02 UTC
Last updated: 09/15/2026, 02:03:06 UTC
Views: 170
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