Creation of temporary file in directory with insecure permissions in .NET Aspire allows an authorized attacker to elevate privileges locally.
Advisories
Source ID Title
Github GHSA Github GHSA GHSA-m63f-xhvm-6mv5 Microsoft Security Advisory CVE-2026-120778 - Aspire Elevation of Privilege Vulnerability
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Tue, 10 Nov 2026 18:30:00 +0000

Type Values Removed Values Added
Description Creation of temporary file in directory with insecure permissions in .NET Aspire allows an authorized attacker to elevate privileges locally.
Title Aspire Elevation of Privilege Vulnerability
First Time appeared Microsoft
Microsoft aspire.cli
Weaknesses CWE-379
CPEs cpe:2.3:a:microsoft:aspire.cli:*:*:*:*:*:*:*:*
Vendors & Products Microsoft
Microsoft aspire.cli
References
Metrics cvssV3_1

{'score': 7.3, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: microsoft

Published:

Updated: 2026-11-10T23:55:27.257Z

Reserved: 2026-11-02T22:42:10.892Z

Link: CVE-2026-120778

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-11-10T19:20:26.887

Modified: 2026-11-10T19:20:27.010

Link: CVE-2026-120778

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses