Description
External control of file name or path in Windows Shell allows an authorized attacker to elevate privileges locally.
Published: 2026-09-08
Score: 7 High
EPSS: < 1% Very Low
KEV: No
Impact: Local Privilege Escalation
Action: Immediate Patch
AI Analysis

Impact

External control of the file name or path in Windows Shell allows an authorized attacker to elevate privileges locally. The weakness is associated with input validation failures (CWE-73).

Affected Systems

Microsoft Windows 11 versions 23H2, 24H2, 25H2, 26H1 and Windows Server 2025 (both standard and core installations) are vulnerable.

Risk and Exploitability

The CVSS score is 7.0, indicating a high impact for an attacker who succeeds. EPSS data is not available, and the vulnerability is not listed in the CISA KEV catalog. The description indicates that an authorized local user can manipulate a file name or path used by Windows Shell to achieve privilege escalation.

Generated by OpenCVE AI on September 9, 2026 at 23:26 UTC.

Remediation

No vendor fix or workaround currently provided.

OpenCVE Recommended Actions

  • Apply the latest Microsoft security update for Windows 11 (23H2, 24H2, 25H2, 26H1) and Windows Server 2025.
  • Restrict local user permissions to the minimum necessary to reduce the opportunity for abuse.
  • Monitor file execution paths within Windows Shell for abnormal activity.

Generated by OpenCVE AI on September 9, 2026 at 23:26 UTC.

Tracking

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Advisories

No advisories yet.

History

Thu, 24 Sep 2026 18:00:00 +0000

Type Values Removed Values Added
CPEs cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:arm64:*
cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:arm64:*
cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_11_25h2:*:*:*:*:*:*:arm64:*
cpe:2.3:o:microsoft:windows_11_25h2:*:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_11_26h1:*:*:*:*:*:*:arm64:*
cpe:2.3:o:microsoft:windows_11_26h1:*:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:x64:*

Sun, 13 Sep 2026 20:30:00 +0000

Type Values Removed Values Added
First Time appeared Microsoft windows 11 23h2
Microsoft windows 11 24h2
Microsoft windows 11 25h2
Microsoft windows 11 26h1
Microsoft windows Server 2025 (server Core Installation)
Vendors & Products Microsoft windows 11 23h2
Microsoft windows 11 24h2
Microsoft windows 11 25h2
Microsoft windows 11 26h1
Microsoft windows Server 2025 (server Core Installation)

Wed, 09 Sep 2026 22:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Tue, 08 Sep 2026 17:30:00 +0000

Type Values Removed Values Added
Description External control of file name or path in Windows Shell allows an authorized attacker to elevate privileges locally.
Title Windows Shell Elevation of Privilege Vulnerability
First Time appeared Microsoft
Microsoft windows 11 23h2
Microsoft windows 11 24h2
Microsoft windows 11 25h2
Microsoft windows 11 26h1
Microsoft windows Server 2025
Weaknesses CWE-73
CPEs cpe:2.3:o:microsoft:windows_11_23H2:*:*:*:*:*:*:arm64:*
cpe:2.3:o:microsoft:windows_11_23H2:*:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_11_24H2:*:*:*:*:*:*:arm64:*
cpe:2.3:o:microsoft:windows_11_25H2:*:*:*:*:*:*:arm64:*
cpe:2.3:o:microsoft:windows_11_26H1:*:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:*:*
Vendors & Products Microsoft
Microsoft windows 11 23h2
Microsoft windows 11 24h2
Microsoft windows 11 25h2
Microsoft windows 11 26h1
Microsoft windows Server 2025
References
Metrics cvssV3_1

{'score': 7, 'vector': 'CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C'}


Subscriptions

Microsoft Windows 11 23h2 Windows 11 23h2 Windows 11 24h2 Windows 11 24h2 Windows 11 25h2 Windows 11 25h2 Windows 11 26h1 Windows 11 26h1 Windows Server 2025 Windows Server 2025 (server Core Installation)
cve-icon MITRE

Status: PUBLISHED

Assigner: microsoft

Published:

Updated: 2026-09-25T21:32:45.073Z

Reserved: 2026-08-03T20:54:04.487Z

Link: CVE-2026-69383

cve-icon Vulnrichment

Updated: 2026-09-09T10:01:42.652Z

cve-icon NVD

Status : Analyzed

Published: 2026-09-08T18:18:59.243

Modified: 2026-09-24T17:53:07.113

Link: CVE-2026-69383

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-13T20:11:40Z

Weaknesses
  • CWE-73

    External Control of File Name or Path