CVE-2026-83784

HighCVSS 8.8/10Last modified Oct 16, 2026

Description

Absolute path traversal in Windows Encrypting File System (EFS) allows an authorized attacker to elevate privileges over a network.

Metrics

CVSS 3.1 8.8/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-36

Affected software

Source: the vendor's advisory (CNA). NVD analysis pending.

No affected versions have been published.

Timeline

Published
Oct 13, 2026
Last modified
Oct 16, 2026
NVD status
Undergoing Analysis

Related CVEs from 2026

CVE-2026-837857.0Use after free in Windows COM+ Event System Service allows an authorized attacker to elevate privileges locally.CVE-2026-837864.7Generation of error message containing sensitive information in Windows NTFS allows an authorized attacker to disclose information locally.CVE-2026-837875.5Insufficient verification of data authenticity in Windows DHCP Server allows an authorized attacker to bypass a security feature locally.CVE-2026-837884.6Buffer over-read in Windows RNDIS allows an unauthorized attacker to disclose information with a physical attack.CVE-2026-837898.8Heap-based buffer overflow in Windows SMB Client allows an unauthorized attacker to elevate privileges over a network.CVE-2026-83797.5The Frontend File Manager Plugin WordPress plugin through 23.6 does not properly enforce its nonce check on the file download handler, allowCVE-2026-837907.0Use after free in Windows Hello allows an authorized attacker to elevate privileges locally.CVE-2026-837917.8Improper authorization in Windows Virtual Input allows an authorized attacker to elevate privileges locally.CVE-2026-837927.8Incorrect authorization in Windows Device Install Service allows an authorized attacker to elevate privileges locally.CVE-2026-837937.0Improper link resolution before file access ('link following') in Windows Update Orchestrator Service allows an authorized attacker to elevaCVE-2026-837945.5Out-of-bounds read in Windows Portable Device MTP Driver allows an authorized attacker to disclose information locally.CVE-2026-837957.5Heap-based buffer overflow in Windows IKE Extension allows an unauthorized attacker to deny service over a network.
CVE-2026-83784: High severity, CVSS 8.8 | Vulnix