Vulnerability · Published Jul 14, 2026 · Assigned by microsoft

CVE-2026-55000Windows USB Print Driver Elevation of Privilege Vulnerability

Medium 6.4

In plain English

A medium-severity use-after-free in Windows 11 Version 24H2 from Microsoft. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 27% of all known vulnerabilities).

Severity (CVSS 3.1)6.4Medium
Exploit odds (30 days)0.3%top 72.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

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

Affected products (as reported)

VendorProductVersions
Microsoft Windows 11 Version 24H2 10.0.26100.0 – before 10.0.26100.8875
Microsoft Windows 11 Version 25H2 10.0.26200.0 – before 10.0.26200.8875
Microsoft Windows 11 version 26H1 10.0.28000.0 – before 10.0.28000.2525
Microsoft Windows Server 2025 10.0.26100.0 – before 10.0.26100.33158
Microsoft Windows Server 2025 (Server Core installation) 10.0.26100.0 – before 10.0.26100.33158

Weakness: CWE-416 · Vector: CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

References