What is GHSA-3hrm-g38h-q887?

GHSA-3hrm-g38h-q887 is a security advisory published by GitHub Security Advisories with Medium severity. Time-of-check time-of-use (toctou) race condition in Windows Projected File System allows an...

Which CVE IDs does GHSA-3hrm-g38h-q887 cover?

GHSA-3hrm-g38h-q887 covers the following CVE IDs: CVE-2026-84009. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-3hrm-g38h-q887?

GHSA-3hrm-g38h-q887 has a CVSS v3 base score of 4.7, published by GitHub Security Advisories.

GHSA-3hrm-g38h-q887MediumCVSS 4.7

Time-of-check time-of-use (toctou) race condition in Windows Projected File System allows an...

Vendor

GitHub Security Advisories

Published

October 13, 2026

Last Modified

October 13, 2026

🔗 CVE IDs covered (1)

CVE-2026-84009 →

📋 Description

Time-of-check time-of-use (toctou) race condition in Windows Projected File System allows an authorized attacker to perform tampering locally.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-84009
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-84009
https://github.com/advisories/GHSA-3hrm-g38h-q887