Vulnerability · Published Sep 8, 2026 · Assigned by microsoft
CVE-2026-57098Microsoft Remote Desktop App for Windows Information Disclosure Vulnerability
High 7.5
In plain English
A high-severity security flaw in Remote Desktop client for Windows Desktop from Microsoft. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 51% of all known vulnerabilities).
Severity (CVSS 3.1)7.5High
Exploit odds (30 days)0.6%top 49.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Improper verification of cryptographic signature in Windows RDP Client allows an unauthorized attacker to disclose information over a network.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Remote Desktop client for Windows Desktop | 1.2.0.0 – before 1.2.7279.0 |
Weakness: CWE-347 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C
References
- Microsoft Remote Desktop App for Windows Information Disclosure Vulnerability vendor-advisory, patch