PT-2026-58187 · Microsoft · Storage Spaces Direct

Published 2026-07-14 · Updated 2026-07-15 · CVE-2026-50299

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 Storage Spaces Direct (affected versions not specified)

Description An integer overflow or wraparound issue exists in Windows Storage Spaces Direct. This flaw allows an unauthorized attacker with physical access to the system to execute arbitrary code.

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

Heap Based Buffer Overflow

Integer Overflow

Weakness Enumeration

CWE-122

CWE-190

Related Identifiers

CVE-2026-50299

Affected Products

Storage Spaces Direct

References · 3

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50299 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-50299 · Security Note
• https://twitter.com/windowsforum/status/2077235496749515164 · Twitter Post