PT-2026-58186 · Microsoft · Spaceport.Sys

Published 2026-07-14 · Updated 2026-07-15 · CVE-2026-50298

Positive Technologies (AI Summary)

CVSS v3.1

6.8

Medium

Base vector

AV:P/AC:L/PR:N/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 An integer overflow or wraparound exists in the Spaceport.sys driver. This issue allows an unauthorized attacker with physical access to the system to elevate their privileges to administrator level.

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

Integer Overflow

Weakness Enumeration

CWE-190

Related Identifiers

CVE-2026-50298

Affected Products

Spaceport.Sys

References · 3

• https://nvd.nist.gov/vuln/detail/CVE-2026-50298 · Security Note
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50298 · Vendor Advisory
• https://twitter.com/windowsforum/status/2077245810278858752 · Twitter Post