CVE-2026-105549

Out-of-bounds read in Windows Smart Card allows an authorized attacker to disclose information with a physical attack.

Base score4.3/ 10

SeverityMediumCVSS 3.1

Exploitability / impact

CVSS metric breakdown

Vector-derived attributes

Base severityMedium

Attack vectorPhysicalAV

Attack complexityLowAC

Privileges requiredLowPR

User interactionNoneUI

ScopeUnchangedS

Confidentiality impactHighC

Integrity impactNoneI

Availability impactNoneA

Exploit maturityUnprovenE

CVSS vector stringCVSS:3.1/AV:P/AC:L/PR:L/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 updatedNov 12, 2026 15:45:00 UTC

PublishedNov 10, 2026 18:19:49 UTC

ReservedOct 5, 2026 16:02:13 UTC