PT-2026-58321 · Microsoft · Windows

CVE-2026-50330 · Published 2026-07-14 · Updated 2026-07-15

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

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

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

Description A heap-based buffer overflow in the Remote Desktop Client allows an unauthorized attacker to elevate privileges over a network. This issue can be exploited without requiring user login or interaction, potentially leading to a complete remote takeover of the system.

Recommendations Apply the July security update for Microsoft Windows.

Fix

DoS

Heap Based Buffer Overflow

Weakness Enumeration

CWE-122

Related Identifiers

BDU:2026-09948

CVE-2026-50330

Affected Products

Windows

References · 7

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50330 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-50330 · Security Note
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2026-50330 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-50330 · Security Note
• https://bdu.fstec.ru/vul/2026-09948 · Security Note
• https://twitter.com/windowsforum/status/2077280048780870121 · Twitter Post
• https://twitter.com/vuldb/status/2077127495623823461 · Twitter Post