---
id: CVE-2026-57098
title: >-
  Improper verification of cryptographic signature in Windows RDP Client allows
  an unauthorized attacker to disclose information over a network.
summary: >-
  Improper verification of cryptographic signature in Windows RDP Client allows
  an unauthorized attacker to disclose information over a network.
severity: high
cvss: 7.5
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N'
cwe:
  - CWE-347
vendor: microsoft
product: remote_desktop_client
affected:
  - remote_desktop_client < 1.2.7279
patched:
  - remote_desktop_client 1.2.7279
published: '2026-09-08'
updated: '2026-09-16'
sourceUpdated: '2026-09-16T20:33:06.320'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-57098'
references:
  - url: 'https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-57098'
    label: secure@microsoft.com
tags:
  - nvd
  - cve.org
epss: 0.00639
epssPercentile: 0.48332
ssvc:
  exploitation: none
  automatable: 'yes'
  technicalImpact: partial
  timestamp: '2026-09-08T19:52:37.206052Z'
ingestedAt: '2026-09-08T18:07:34.935Z'
---

## Overview

Improper verification of cryptographic signature in Windows RDP Client allows an unauthorized attacker to disclose information over a network.

## Affected

- `remote_desktop_client < 1.2.7279`

## Remediation

Upgrade past the affected range:

- `remote_desktop_client 1.2.7279`