PT-2026-58343 · Microsoft · Smb Server

Published 2026-07-14 · Updated 2026-07-15 · CVE-2026-50360

Positive Technologies (AI Summary)

CVSS v3.1

8.8

High

Base vector

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

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

Description An incorrect implementation of the authentication algorithm in the Windows SMB Server allows an authorized attacker to elevate privileges over a network.

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

Weakness Enumeration

CWE-303

Related Identifiers

CVE-2026-50360

Affected Products

Smb Server

References · 3

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50360 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-50360 · Security Note
• https://twitter.com/windowsforum/status/2077260156732088333 · Twitter Post