PT-2026-112699 · Microsoft · Projected File System
CVE-2026-84009
·
Published
2026-10-13
·
Updated
2026-10-14
CVSS v3.1
4.7
Medium
| Vector | AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N |
Name of the Vulnerable Software and Affected Versions
Windows Projected File System (affected versions not specified)
Description
A time-of-check time-of-use (toctou) race condition exists in the Windows Projected File System. This flaw allows an authorized attacker to perform local tampering. A TOCTOU race condition occurs when a program checks the state of a resource and then acts upon that resource, but the state changes between the check and the use.
Recommendations
At the moment, there is no information about a newer version that contains a fix for this vulnerability.
Time Of Check To Time Of Use
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Weakness Enumeration
Related Identifiers
Affected Products
Projected File System