First day on Intigriti: our agent harness found and proved a remote code execution bug in Odoo's program.

CVE-2026-83834

HighCVSS 7.0/10Last modified Oct 27, 2026

Description

Use after free in Windows Kernel-Mode Drivers 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-367 CWE-416

Affected software

Vendor	Product	Versions
Microsoft	Windows 10 Version 1607	>= 10.0.14393.0, < 10.0.14393.9612
Microsoft	Windows 10 Version 1809	>= 10.0.17763.0, < 10.0.17763.9376
Microsoft	Windows 10 Version 21H2	>= 10.0.19044.0, < 10.0.19044.7807
Microsoft	Windows 10 Version 22H2	>= 10.0.19045.0, < 10.0.19045.7807
Microsoft	Windows 11 version 23H2	>= 10.0.22631.0, < 10.0.22631.7652
Microsoft	Windows 11 Version 23H2	>= 10.0.22631.0, < 10.0.22631.7652
Microsoft	Windows 11 Version 24H2	>= 10.0.26100.0, < 10.0.26100.9711
Microsoft	Windows 11 Version 25H2	>= 10.0.26200.0, < 10.0.26200.9711
Microsoft	Windows 11 version 26H1	>= 10.0.28000.0, < 10.0.28000.3231
Microsoft	Windows 11 Version 26H2	>= 10.0.26300.0, < 10.0.26300.9711
Microsoft	Windows Server 2016	>= 10.0.14393.0, < 10.0.14393.9612
Microsoft	Windows Server 2016 (Server Core installation)	>= 10.0.14393.0, < 10.0.14393.9612
Microsoft	Windows Server 2019	>= 10.0.17763.0, < 10.0.17763.9376
Microsoft	Windows Server 2019 (Server Core installation)	>= 10.0.17763.0, < 10.0.17763.9376
Microsoft	Windows Server 2022	>= 10.0.20348.0, < 10.0.20348.5761
Microsoft	Windows Server 2025	>= 10.0.26100.0, < 10.0.26100.33650
Microsoft	Windows Server 2025 (Server Core installation)	>= 10.0.26100.0, < 10.0.26100.33650

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-83834Patch, Vendor Advisory

Timeline

Published: Oct 13, 2026
Last modified: Oct 27, 2026
NVD status: Analyzed

Related CVEs from 2026

CVE-2026-838355.5Buffer over-read in Windows Common Log File System Driver allows an authorized attacker to disclose information locally.CVE-2026-838367.8Heap-based buffer overflow in Windows Event Tracing allows an unauthorized attacker to execute code locally.CVE-2026-838377.8Improper access control in Windows Kernel-Mode Drivers allows an authorized attacker to elevate privileges locally.CVE-2026-838388.0Integer underflow (wrap or wraparound) in Windows Bluetooth A2DP driver allows an authorized attacker to elevate privileges over an adjacent CVE-2026-838397.0Time-of-check time-of-use (toctou) race condition in Windows Hyper-V allows an authorized attacker to elevate privileges locally.CVE-2026-83845.3In Eclipse Jetty, an HTTP URI of this form: /public;/../admin/secret.txt results in an unresolved path of: /public/../admi CVE-2026-838407.8Weak authentication in Windows Error Reporting allows an authorized attacker to elevate privileges locally.CVE-2026-838417.0Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Win32K allows an authorized attacker CVE-2026-838427.0Double free in Windows TCP/IP allows an authorized attacker to elevate privileges locally.CVE-2026-838437.5Out-of-bounds read in Windows Internet Key Exchange (IKE) Protocol allows an unauthorized attacker to deny service over a network.CVE-2026-838447.0Out-of-bounds read in Windows Paint allows an unauthorized attacker to execute code locally.CVE-2026-838458.4Improper privilege management in Windows Internet (wininet.dll) allows an authorized attacker to perform spoofing locally.

CVE-2026-83834: High severity, CVSS 7.0 | Vulnix