CVE-2026-105506

Buffer over-read in Windows Shell allows an authorized attacker to disclose information locally.

Base score5.0/ 10

SeverityMediumCVSS 3.1

Exploitability / impact

CVSS metric breakdown

Vector-derived attributes

Base severityMedium

Attack vectorLocalAV

Attack complexityLowAC

Privileges requiredLowPR

User interactionRequiredUI

ScopeUnchangedS

Confidentiality impactHighC

Integrity impactNoneI

Availability impactNoneA

Exploit maturityUnprovenE

CVSS vector stringCVSS:3.1/AV:L/AC:L/PR:L/UI:R/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 15:44:41 UTC

PublishedNov 10, 2026 18:19:34 UTC

ReservedOct 5, 2026 15:42:58 UTC