CVE-2026-56168

MediumCVSS 6.5/10Last modified Jul 22, 2026

Description

Null pointer dereference in Windows SMB Server allows an authorized attacker to deny service over a network.

Metrics

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

Weakness enumeration

CWE-476

Affected software

No affected versions have been published.

Timeline

Published
Jul 14, 2026
Last modified
Jul 22, 2026
NVD status
Analyzed

Related CVEs from 2026

CVE-2026-561698.8Improper authentication in Windows Admin Center allows an authorized attacker to elevate privileges over a network.CVE-2026-56178.8The Login as User plugin for WordPress is vulnerable to Privilege Escalation in all versions up to, and including, 1.0.3. This is due to theCVE-2026-561707.5Allocation of resources without limits or throttling in ASP.NET Core allows an unauthorized attacker to deny service over a network.CVE-2026-561717.5Exposure of private personal information to an unauthorized actor in Windows RDP allows an unauthorized attacker to disclose information oveCVE-2026-561727.8Use after free in Windows VHD miniport driver allows an authorized attacker to elevate privileges locally.CVE-2026-561737.0Use after free in Windows WebView allows an authorized attacker to elevate privileges locally.CVE-2026-561747.8Untrusted search path in Windows Narrator Braille allows an authorized attacker to elevate privileges locally.CVE-2026-561757.8Heap-based buffer overflow in Windows NTFS allows an authorized attacker to elevate privileges locally.CVE-2026-561767.8Out-of-bounds read in Windows Win32K - GRFX allows an authorized attacker to elevate privileges locally.CVE-2026-561777.8Use after free in Windows Server allows an authorized attacker to elevate privileges locally.CVE-2026-561787.0Time-of-check time-of-use (toctou) race condition in Microsoft Defender for Endpoint allows an authorized attacker to elevate privileges locCVE-2026-561798.3Origin validation error in Windows Network Address Translation (NAT) allows an unauthorized attacker to perform spoofing over an adjacent ne
CVE-2026-56168: Medium severity, CVSS 6.5 | Vulnix