CVE-2025-29811: Windows Mobile Broadband Driver Elevation of Privilege Vulnerability

7.8 CVSS

Description

Improper input validation in Windows Mobile Broadband allows an authorized attacker to elevate privileges locally.

Classification

CVE ID: CVE-2025-29811

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-20: Improper Input Validation CWE-122: Heap-based Buffer Overflow CWE-125: Out-of-bounds Read

Affected Products

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

Product: Windows 11 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: 22.94% (scored less or equal to compared to others)

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

Stakeholder-Specific Vulnerability Categorization (SSVC)

SSVC Exploitation: none

SSVC Technical Impact: total

SSVC Automatable: false

References

https://nvd.nist.gov/vuln/detail/CVE-2025-29811
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-29811

Timeline