CVE-2026-50454: CWE-23: Relative Path Traversal in Microsoft Windows 11 Version 24H2
Relative path traversal in Windows User Interface Core allows an authorized attacker to elevate privileges locally.
AI Analysis
Technical Summary
CVE-2026-50454 is a relative path traversal vulnerability (CWE-23) in the Windows User Interface Core component of Microsoft Windows 11 Version 24H2 (build 10.0.26100.0). The flaw enables an authorized local attacker to escalate privileges on the affected system. The vulnerability has a CVSS v3.1 base score of 7.8, indicating high severity, with impact on confidentiality, integrity, and availability. Microsoft has published an official fix for this vulnerability.
Potential Impact
An authorized local attacker can exploit this relative path traversal vulnerability to elevate privileges on the affected Windows 11 system. This could lead to full system compromise, including unauthorized access to sensitive information and the ability to modify system settings or software.
Mitigation Recommendations
Microsoft has released an official fix for CVE-2026-50454. Users and administrators should apply the provided security update from the Microsoft Security Response Center to remediate this vulnerability. No additional mitigation steps are indicated beyond applying the official patch.
CVE-2026-50454: CWE-23: Relative Path Traversal in Microsoft Windows 11 Version 24H2
Description
Relative path traversal in Windows User Interface Core 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
CVE-2026-50454 is a relative path traversal vulnerability (CWE-23) in the Windows User Interface Core component of Microsoft Windows 11 Version 24H2 (build 10.0.26100.0). The flaw enables an authorized local attacker to escalate privileges on the affected system. The vulnerability has a CVSS v3.1 base score of 7.8, indicating high severity, with impact on confidentiality, integrity, and availability. Microsoft has published an official fix for this vulnerability.
Potential Impact
An authorized local attacker can exploit this relative path traversal vulnerability to elevate privileges on the affected Windows 11 system. This could lead to full system compromise, including unauthorized access to sensitive information and the ability to modify system settings or software.
Mitigation Recommendations
Microsoft has released an official fix for CVE-2026-50454. Users and administrators should apply the provided security update from the Microsoft Security Response Center to remediate this vulnerability. No additional mitigation steps are indicated beyond applying the official patch.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-06-04T18:59:17.977Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50454","vendor":"Microsoft"}]
Threat ID: 6a5676a068715ace43f094a8
Added to database: 07/14/2026, 17:49:20 UTC
Last enriched: 08/13/2026, 14:57:25 UTC
Last updated: 08/28/2026, 11:04:21 UTC
Views: 117
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