Vulnerability record/PUBLISHED/Published Sep 8, 2026 17:10:38 UTC

CVE-2026-57098

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

Base score7.5/ 10

SeverityHighCVSS 3.1

Exploitability / impact

CVSS metric breakdown

Vector-derived attributes

Base severityHigh

Attack vectorNetworkAV

Attack complexityLowAC

Privileges requiredNonePR

User interactionNoneUI

ScopeUnchangedS

Confidentiality impactHighC

Integrity impactNoneI

Availability impactNoneA

Exploit maturityUnprovenE

CVSS vector stringCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C

CVSS communicates standardized severity and impact characteristics. It does not establish whether a system is exploitable in your specific environment.

Record context

CVE Numbering Authoritymicrosoft

Last updatedOct 26, 2026 23:26:42 UTC

PublishedSep 8, 2026 17:10:38 UTC

ReservedJun 23, 2026 18:29:51 UTC