Vulnerability in Microsoft Remote Desktop Client For Windows

CVE-2026-57098

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

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-57098?
CVE-2026-57098 is a high-severity vulnerability in Microsoft Remote Desktop Client For Windows, classified under Improper Verification of Cryptographic Signature. CVSS score: 7.5/10. Published 2026-09-08.
How severe is CVE-2026-57098?
High severity. CVSS v3 base score is 7.5 out of 10.