PT-2026-58319 · Microsoft · Windows Server Update Services

Published 2026-07-14 · Updated 2026-07-15 · CVE-2026-50328

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

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

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

Description An uncaught exception in the Windows Server Update Service allows an unauthorized attacker to perform tampering over a network.

Recommendations Deploy the July 14 updates.

Fix

RCE

Weakness Enumeration

CWE-20

CWE-248

Related Identifiers

CVE-2026-50328

Affected Products

Windows Server Update Services

References · 3

• https://nvd.nist.gov/vuln/detail/CVE-2026-50328 · Security Note
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50328 · Vendor Advisory
• https://twitter.com/windowsforum/status/2077259151177097431 · Twitter Post