Vulnerability record/PUBLISHED/Published Jul 14, 2026 17:06:02 UTC

CVE-2026-49804

Heap-based buffer overflow in Windows USB Video Driver allows an unauthorized attacker to elevate privileges with a physical attack.

Base score6.6/ 10

SeverityMediumCVSS 3.1

Exploitability / impact

CVSS metric breakdown

Vector-derived attributes

Base severityMedium

Attack vectorPhysicalAV

Attack complexityLowAC

Privileges requiredNonePR

User interactionRequiredUI

ScopeUnchangedS

Confidentiality impactHighC

Integrity impactHighI

Availability impactHighA

Exploit maturityUnprovenE

CVSS vector stringCVSS:3.1/AV:P/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/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 1, 2026 17:33:40 UTC

PublishedJul 14, 2026 17:06:02 UTC

ReservedJun 1, 2026 17:02:37 UTC