CVE-2025-26639: Windows USB Print Driver Elevation of Privilege Vulnerability

7.8 CVSS

Description

Integer overflow or wraparound in Windows USB Print Driver allows an authorized attacker to elevate privileges locally.

Classification

CVE ID: CVE-2025-26639

CVSS Base Severity: HIGH

CVSS Base Score: 7.8

CVSS Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

Problem Types

CWE-190: Integer Overflow or Wraparound CWE-122: Heap-based Buffer Overflow

Affected Products

Vendor: Microsoft, Microsoft, Microsoft, Microsoft, Microsoft, Microsoft, Microsoft, Microsoft, Microsoft, Microsoft

Product: Windows Server 2022, Windows 10 Version 21H2, Windows 11 version 22H2, Windows 10 Version 22H2, Windows Server 2025 (Server Core installation), Windows 11 version 22H3, Windows 11 Version 23H2, Windows Server 2022, 23H2 Edition (Server Core installation), Windows 11 Version 24H2, Windows Server 2025

Exploit Prediction Scoring System (EPSS)

EPSS Score: 0.07% (probability of being exploited)

EPSS Percentile: 21.37% (scored less or equal to compared to others)

EPSS Date: 2025-04-18 (when was this score calculated)

References

https://nvd.nist.gov/vuln/detail/CVE-2025-26639
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-26639

Timeline