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CVE-2026-57098— Microsoft Remote Desktop App for Windows Information Disclosure Vulnerability

Quick assessment

Affected

Microsoft Remote Desktop client for Windows Desktop

Exploitation

No confirmed in-the-wild exploitation; assess based on exposure

Recommended action

Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Microsoft Remote Desktop client for Windows Desktop是美国Microsoft公司的一款可连接远程计算机并操控其桌面的客户端软件。 Microsoft Remote Desktop client for Windows Desktop 1.2.0.0版本至1.2.7279.0之前版本存在加密问题漏洞，该漏洞源于加密签名验证不当，可能导致未经授权的攻击者通过网络披露信息。

CVSS 7.5 · High EPSS 0.64% · P51 Updated Oct 31, 2026

Possible ATT&CK Techniques 1 AI

T1212 · Exploitation for Credential Access

Affected Version Matrix 1

Vendor	Product	Version Range	Status
Microsoft	Remote Desktop client for Windows Desktop	`1.2.0.0< 1.2.7279.0`	affected

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I. Basic Information for CVE-2026-57098

Vulnerability Information

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Vulnerability Title

Microsoft Remote Desktop App for Windows Information Disclosure Vulnerability

Source: CVE Program / CVE List V5

Vulnerability Description

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

Source: CVE Program / CVE List V5

CVSS Information

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Source: CVE Program / CVE List V5

Vulnerability Type

密码学签名的验证不恰当

Source: CVE Program / CVE List V5

Vulnerability Title

Microsoft Remote Desktop client for Windows Desktop 加密问题漏洞

Source: CNNVD (China National Vulnerability Database)

Vulnerability Description

Source: CNNVD (China National Vulnerability Database)

CVSS Information

N/A

Source: CNNVD (China National Vulnerability Database)

Vulnerability Type

N/A

Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor	Product	Affected Versions	CPE	Subscribe
Microsoft	Remote Desktop client for Windows Desktop	1.2.0.0 ~ 1.2.7279.0	-

II. Public POCs for CVE-2026-57098

#	POC Description	Source Link	Shenlong Link

AI-Generated POC Premium

No public POC found.

III. Intelligence Information for CVE-2026-57098

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Vendor Advisories for CVE-2026-57098 (1)

🔗 CVE-2026-57098 - Security Update Guide - Microsoft - Microsoft Remote Desktop App for Windows Information Disclosure Vulnerability Read full article vendor-advisory patch

https://www.cve.org/CVERecord?id=CVE-2026-57098

Same Patch Batch · Microsoft · 2026-09-08 · 966 CVEs total

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Showing top 20 of 966 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Remote Desktop client for Windows Desktop

Same vendor: Microsoft

Same weakness: CWE-347