What is CVE-2026-57098?

CVE-2026-57098 is a security advisory published by Microsoft Security Response Center (MSRC) with High severity. Microsoft Remote Desktop App for Windows Information Disclosure Vulnerability

Which CVE IDs does CVE-2026-57098 cover?

CVE-2026-57098 covers the following CVE IDs: CVE-2026-57098. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2026-57098?

CVE-2026-57098 has a CVSS v3 base score of 7.5, published by Microsoft Security Response Center (MSRC).

Which products are affected by CVE-2026-57098?

CVE-2026-57098 affects 1 product, including: Remote Desktop client for Windows Desktop.

CVE-2026-57098HighCVSS 7.5

Microsoft Remote Desktop App for Windows Information Disclosure Vulnerability

Vendor

Microsoft Security Response Center (MSRC)

Published

September 11, 2026

Last Modified

—

🔗 CVE IDs covered (1)

CVE-2026-57098 →

📋 Description

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

🎯 Affected products1

Remote Desktop client for Windows Desktop

✅ Remediation

KBRelease Notes (Security Update) — fixed build 1.2.7279.0

🔗 References (2)

advisoryhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-57098
patchhttps://docs.microsoft.com/en-us/windows-server/remote/remote-desktop-services/clients/windowsdesktop-whatsnew