CVE-2026-57098: Microsoft Remote Desktop Client

High severity, CVSS 7.5. EPSS: 0.6% chance of exploitation in the next 30 days.

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

Affected products

  • Microsoft Remote Desktop Client: before 1.2.7279 (fixed in 1.2.7279)

Published 2026-09-08. Last modified 2026-09-16.