PT-2026-58196 · Microsoft · Spaceport.Sys+1

CVE-2026-50333 · Published 2026-07-14 · Updated 2026-07-23

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Windows Spaceport.sys (affected versions not specified)

Description Missing authentication for a critical function in the Spaceport.sys driver allows an authorized attacker to elevate privileges locally on the system.

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

DoS

Missing Authentication

Weakness Enumeration

CWE-306

Related Identifiers

CVE-2026-50333

Affected Products

Spaceport.Sys

Windows

References · 6

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50333 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-50333 · Security Note
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2026-50333 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-50333 · Security Note
• https://t.me/cveNotify/214027 · Telegram Post
• https://t.me/cveNotify/212157 · Telegram Post