PT-2026-58495 · Microsoft · Windows Kernel

CVE-2026-50673 · Published 2026-07-14 · Updated 2026-07-14

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Windows Kernel (affected versions not specified)

Description A null pointer dereference in the Windows Kernel allows an authorized attacker to elevate privileges locally. A null pointer dereference occurs when a program attempts to read from or write to a memory address that is null, which can lead to system instability or unauthorized access.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Time Of Check To Time Of Use

NULL Pointer Dereference

Weakness Enumeration

CWE-367

CWE-476

Related Identifiers

CVE-2026-50673

Affected Products

Windows Kernel

References · 4

• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-50673 · Security Note
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50673 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-50673 · Security Note
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2026-50673 · Vendor Advisory