CVE-2026-84009

MediumCVSS 4.7/10Last modified Oct 19, 2026

Description

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

Metrics

CVSS 3.1 4.7/10CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Oct 13, 2026
Last modified
Oct 19, 2026
NVD status
Analyzed

Related CVEs from 2026

CVE-2026-84019.8Sandbox escape in the Profile Backup component. This vulnerability was fixed in Firefox 150.0.3, Firefox ESR 115.36, Firefox ESR 140.11, andCVE-2026-840115.5Incorrect authorization in Windows SMB Client allows an authorized attacker to bypass a security feature locally.CVE-2026-840128.1Double free in Remote Desktop Gateway Service allows an unauthorized attacker to execute code over a network.CVE-2026-840137.8Use after free in Windows Telephony Server allows an authorized attacker to elevate privileges locally.CVE-2026-840147.0Heap-based buffer overflow in Windows Device Association Service allows an authorized attacker to elevate privileges locally.CVE-2026-840159.8Heap-based buffer overflow in Remote Access Point-to-Point Protocol (PPP) EAP-TLS allows an unauthorized attacker to execute code over a netCVE-2026-840167.8Out-of-bounds write in Windows EAPHost Service allows an authorized attacker to elevate privileges locally.CVE-2026-840177.5Null pointer dereference in Windows Routing and Remote Access Service (RRAS) allows an unauthorized attacker to deny service over a network.CVE-2026-840187.0Use after free in Windows Print Spooler Components allows an authorized attacker to elevate privileges locally.CVE-2026-840197.0Use after free in Windows Advanced Rasterization Platform allows an authorized attacker to elevate privileges locally.CVE-2026-84029.8Improper neutralization of special elements used in an SQL command ('SQL injection') vulnerability in Eksagate Electronic Engineering and CoCVE-2026-840207.0Use after free in Windows Routing and Remote Access Service (RRAS) allows an authorized attacker to elevate privileges locally.
CVE-2026-84009: Medium severity, CVSS 4.7 | Vulnix