MEDIUM · 6.4

CVE-2026-55000

Use after free in Windows USB Print Driver allows an unauthorized attacker to elevate privileges with a physical attack.

Vulnerability Description

Use after free in Windows USB Print Driver allows an unauthorized attacker to elevate privileges with a physical attack.

CVSS Score

6.4

MEDIUM

CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
PHYSICAL
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
MicrosoftWindows 11 24H2< 10.0.26100.8875
MicrosoftWindows 11 25H2< 10.0.26200.8875
MicrosoftWindows 11 26H1< 10.0.28000.2525
MicrosoftWindows Server 2025< 10.0.26100.33158

Related Weaknesses (CWE)

References

FAQ

What is CVE-2026-55000?

CVE-2026-55000 is a vulnerability with a CVSS score of 6.4 (MEDIUM). Use after free in Windows USB Print Driver allows an unauthorized attacker to elevate privileges with a physical attack.

How severe is CVE-2026-55000?

CVE-2026-55000 has been rated MEDIUM with a CVSS base score of 6.4/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-55000?

Check the references section above for vendor advisories and patch information. Affected products include: Microsoft Windows 11 24H2, Microsoft Windows 11 25H2, Microsoft Windows 11 26H1, Microsoft Windows Server 2025.