Vulnerability record/PUBLISHED/Published Jul 14, 2026 17:09:19 UTC

CVE-2026-56184

Exposure of sensitive information to an unauthorized actor in Windows Win32K allows an authorized attacker to disclose information locally.

Base score5.5/ 10

SeverityMediumCVSS 3.1

Exploitability / impact

CVSS metric breakdown

Vector-derived attributes

Base severityMedium

Attack vectorLocalAV

Attack complexityLowAC

Privileges requiredLowPR

User interactionNoneUI

ScopeUnchangedS

Confidentiality impactHighC

Integrity impactNoneI

Availability impactNoneA

Exploit maturityUnprovenE

CVSS vector stringCVSS:3.1/AV:L/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 updatedOct 28, 2026 20:06:00 UTC

PublishedJul 14, 2026 17:09:19 UTC

ReservedJun 19, 2026 13:54:04 UTC