CVE-2026-55000: CWE-416: Use After Free in Microsoft Windows 11 Version 24H2
Use after free in Windows USB Print Driver allows an unauthorized attacker to elevate privileges with a physical attack.
AI Analysis
Technical Summary
This vulnerability, tracked as CVE-2026-55000, involves a use-after-free condition in the Windows USB Print Driver component of Windows 11 Version 24H2 (build 10.0.26100.0). Exploitation requires physical access and can result in privilege escalation. Microsoft has published an official fix to remediate this vulnerability. The CVSS vector indicates the attack requires physical access (AV:P), has high attack complexity (AC:H), no privileges required (PR:N), no user interaction (UI:N), and impacts confidentiality, integrity, and availability with high severity (C:H/I:H/A:H).
Potential Impact
Successful exploitation allows an attacker with physical access to elevate privileges on the affected system, potentially gaining full control. The vulnerability affects confidentiality, integrity, and availability of the system.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the security update provided by Microsoft as detailed in the vendor advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-55000 to remediate this vulnerability.
CVE-2026-55000: CWE-416: Use After Free in Microsoft Windows 11 Version 24H2
Description
Use after free in Windows USB Print Driver allows an unauthorized attacker to elevate privileges with a physical attack.
CVSS v3.1
Score 6.4medium
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability, tracked as CVE-2026-55000, involves a use-after-free condition in the Windows USB Print Driver component of Windows 11 Version 24H2 (build 10.0.26100.0). Exploitation requires physical access and can result in privilege escalation. Microsoft has published an official fix to remediate this vulnerability. The CVSS vector indicates the attack requires physical access (AV:P), has high attack complexity (AC:H), no privileges required (PR:N), no user interaction (UI:N), and impacts confidentiality, integrity, and availability with high severity (C:H/I:H/A:H).
Potential Impact
Successful exploitation allows an attacker with physical access to elevate privileges on the affected system, potentially gaining full control. The vulnerability affects confidentiality, integrity, and availability of the system.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the security update provided by Microsoft as detailed in the vendor advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-55000 to remediate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-06-16T14:10:05.869Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-55000","vendor":"Microsoft"}]
Threat ID: 6a566f7e68715ace43e6bc2e
Added to database: 07/14/2026, 17:18:54 UTC
Last enriched: 07/14/2026, 17:50:13 UTC
Last updated: 07/15/2026, 00:04:01 UTC
Views: 3
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