Vulnerability · CVE-2025-26646

External control of file name or path in .NET, Visual Studio, and Build Tools for Visual Studio allows an authorized attacker to perform spoofing over a network.

Published May 13, 2025 · corrected/updated Feb 26, 2026 · Microsoft Microsoft Visual Studio 2022 version 17.12 · evidence confidence high

Grounded briefings

Catalog interpretations for three audiences. Each brief cites ingested metadata and the original advisories below. They are not independent research and they do not invent exploit steps.

Executive

CVE-2025-26646 is a high public vulnerability record for Microsoft Microsoft Visual Studio 2022 version 17.12. It is not currently listed in the CISA Known Exploited catalog. Check the linked vendor or CERT advisories for patch status. This summary is a catalog interpretation of the ingested metadata and cites the original advisories below.

System administrator

Identify whether Microsoft Microsoft Visual Studio 2022 version 17.12 is in your estate, then compare installed versions with the affected ranges. Affected packages or ranges on record: Microsoft Microsoft Visual Studio 2022 version 17.12 17.12.0 <17.12.8 (17.12.0 <17.12.8). Check the linked vendor or CERT advisories for patch status. Prefer the vendor or distribution advisory linked in Sources before changing production systems. This is a catalog interpretation, not a runbook.

Security analyst

Signals on file: CVSS 8.0, EPSS 127.0%. It is not currently listed in the CISA Known Exploited catalog. Sources contributing to this record: cve_org, euvd. Public exploit references, when present, are outbound links only and are not proof of active exploitation. This is a catalog interpretation of stored metadata.

Exploitation and remediation

Exploitation evidence
Not listed as known exploited in CISA KEV. Not in CISA KEV or VulnCheck KEV.
Patch and remediation
No required-action text is stored yet. Use the vendor or CERT links in Sources for patch availability.
Safe detection guidance
Compare installed versions with the affected ranges below and verify the advisory from the original publisher. This site stores metadata and outbound links only; it does not ship exploit code or proof-of-concept payloads.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

May 13, 2025 · EUVD
Detected
External control of file name or path in .NET, Visual Studio, and Build Tools for Visual Studio allows an authorized attacker to perform spoofing over a network.
Feb 26, 2026 · EUVD
Updated
External control of file name or path in .NET, Visual Studio, and Build Tools for Visual Studio allows an authorized attacker to perform spoofing over a network.

Affected

vendor Microsoft Microsoft Visual Studio 2022 version 17.12 17.12.0 <17.12.817.12.0 <17.12.8

Sources

CVE.orgVulnerability recordCVE-2025-26646
Official CVE identifier
cve.org
EUVDVulnerability recordEUVD-2025-14511
External control of file name or path in .NET, Visual Studio, and Build Tools for Visual Studio allows an authorized attacker to perform spoofing over a network.
euvd.enisa.europa.eu