CVE-2026-57098: CWE-347: Improper Verification of Cryptographic Signature in Microsoft Remote Desktop client for Windows Desktop
Description
CVE-2026-57098 is a high-severity vulnerability in the Microsoft Remote Desktop client for Windows Desktop. It involves improper verification of cryptographic signatures, which could allow an unauthorized attacker to disclose information over a network. The affected versions are Remote Desktop client versions from 1.2.0.0 up to but not including 1.2.7279.0. An official fix is available from Microsoft.
CVSS v3.1
Score 7.5high
Affected software
Microsoft
Remote Desktop client for Windows Desktop
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability, identified as CWE-347, concerns improper verification of cryptographic signatures in the Windows Remote Desktop client. This flaw could be exploited by an attacker to disclose sensitive information over a network without requiring privileges or user interaction. The CVSS v3.1 base score is 7.5, indicating high severity, with the attack vector being network-based and no privileges or user interaction required. Microsoft has published an official fix for this issue.
Potential Impact
Successful exploitation of this vulnerability could lead to unauthorized disclosure of information over a network. There is no indication of impact on integrity or availability. No known exploits are reported in the wild at this time.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the patch provided by Microsoft for Remote Desktop client versions >=1.2.0.0 and <1.2.7279.0 to remediate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-06-23T18:29:51.054Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-57098","vendor":"Microsoft"}]
Threat ID: 6aa044c4acd9273b49fa5fbf
Added to database: 09/08/2026, 17:24:20 UTC
Last enriched: 10/16/2026, 20:48:24 UTC
Last updated: 10/23/2026, 15:10:14 UTC
Views: 34
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