CVE-2026-83879

HighCVSS 7.0/10Last modified Oct 21, 2026

Description

Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Overlay Filter allows an authorized attacker to elevate privileges locally.

Metrics

CVSS 3.1 7.0/10CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-362CWE-416

Affected software

No affected versions have been published.

Timeline

Published
Oct 13, 2026
Last modified
Oct 21, 2026
NVD status
Analyzed

Related CVEs from 2026

CVE-2026-83886.5Incorrect boundary conditions in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 150.0.3, Firefox ESR 115.36, CVE-2026-838817.8Heap-based buffer overflow in Windows exFAT File System allows an authorized attacker to elevate privileges locally.CVE-2026-838827.8Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges locally.CVE-2026-838837.8Use after free in Windows Win32K allows an authorized attacker to elevate privileges locally.CVE-2026-838845.5Out-of-bounds read in HID Parser Library allows an authorized attacker to disclose information locally.CVE-2026-838855.6Inadequate encryption strength in Windows Virtualization-Based Security (VBS) Enclave allows an authorized attacker to perform spoofing locaCVE-2026-838867.0Use after free in Windows Update Orchestrator Service allows an authorized attacker to elevate privileges locally.CVE-2026-838875.5Out-of-bounds read in HID Parser Library allows an authorized attacker to disclose information locally.CVE-2026-838889.8Buffer over-read in Windows CD-ROM Driver allows an unauthorized attacker to elevate privileges over a network.CVE-2026-838898.8Release of invalid pointer or reference in DNS Server allows an authorized attacker to execute code over a network.CVE-2026-83898.8JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 150.0.3.CVE-2026-838918.8Stack-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code over a network.
CVE-2026-83879: High severity, CVSS 7.0 | Vulnix