PT-2026-58188 · Microsoft · Windows Kernel+2

CVE-2026-50300

·

Published

2026-07-14

·

Updated

2026-07-22

CVSS v3.1

5.5

Medium

VectorAV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Name of the Vulnerable Software and Affected Versions Windows Kernel (affected versions not specified) Windows Desktop Window Manager (affected versions not specified)
Description An integer underflow (wrap or wraparound) in the Windows Kernel allows an authorized attacker to disclose information locally. Additionally, the Windows Desktop Window Manager (DWM) experienced a memory leak that could be exploited by a local user to access sensitive information.
Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

DoS

Out of bounds Read

Integer Underflow

Found an issue in the description? Have something to add? Feel free to write us 👾
dbugs@ptsecurity.com

Weakness Enumeration

CWE-125CWE-191

Related Identifiers

BDU:2026-10117
CVE-2026-50300

Affected Products

Windows
Desktop Windows Manager
Windows Kernel