CVE-2026-83636

MediumCVSS 6.5/10Last modified Oct 16, 2026

Description

Null pointer dereference in Windows Hyper-V allows an authorized attacker to deny service locally.

Metrics

CVSS 3.1 6.5/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H

Weakness enumeration

CWE-476

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
Awaiting Analysis

Related CVEs from 2026

CVE-2026-836377.8Out-of-bounds read in Windows Kernel-Mode Drivers allows an authorized attacker to elevate privileges locally.CVE-2026-836387.8Heap-based buffer overflow in Windows USB Driver allows an authorized attacker to elevate privileges locally.CVE-2026-836397.8Heap-based buffer overflow in Windows Sensor Data Service allows an authorized attacker to elevate privileges locally.CVE-2026-83649.8Gladinet Triofox Cloud Server Agent Access Service (GladServerAgentService.exe) listens on TCP port 7878 and processes remote HTTP messages CVE-2026-836407.8Heap-based buffer overflow in Windows NTFS allows an authorized attacker to execute code locally.CVE-2026-836417.8Heap-based buffer overflow in Windows Media allows an authorized attacker to elevate privileges locally.CVE-2026-836428.8Access of resource using incompatible type ('type confusion') in DNS Server allows an unauthorized attacker to execute code over a network.CVE-2026-836438.8Stack-based buffer overflow in Windows Error Reporting allows an unauthorized attacker to execute code over a network.CVE-2026-836447.0Use after free in Windows Audio Service allows an authorized attacker to elevate privileges locally.CVE-2026-836457.5Allocation of resources without limits or throttling in Active Directory Federation Services (AD FS) allows an unauthorized attacker to denyCVE-2026-836464.8Url redirection to untrusted site ('open redirect') in Active Directory Federation Services (AD FS) allows an authorized attacker to performCVE-2026-836477.5Out-of-bounds read in Active Directory Domain Services allows an unauthorized attacker to deny service over a network.
CVE-2026-83636: Medium severity, CVSS 6.5 | Vulnix