CVE-2025-29811 — Improper Input Validation in Microsoft Windows 11 Version 22h2

CWE-20 — Improper Input ValidationCWE-122 — Heap-based Buffer OverflowCWE-125 — Out-of-bounds Read5 documents5 sources
Severity
7.8HIGHNVD
EPSS
0.6%
top 30.14%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
9
Microsoft Windows 11 Version 22h2Microsoft Windows 11 Version 22h3Microsoft Windows 11 Version 23h2+6 more
Timeline
PublishedApr 8

Description

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

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HExploitability: 1.8 | Impact: 5.9

Affected Packages9 packages

▶NVDmicrosoft/windows< 10.0.25398.1551+1
▶NVDmicrosoft/windows_11_22h2< 10.0.22621.5189
▶NVDmicrosoft/windows_11_23h2< 10.0.22631.5189
▶NVDmicrosoft/windows_11_24h2< 10.0.26100.3775
▶CVEListV5microsoft/windows_server_202510.0.26100.0 — 10.0.26100.3775

🔴Vulnerability Details

2
CVEList
Windows Mobile Broadband Driver Elevation of Privilege Vulnerability↗2025-04-08
▶
GHSA
GHSA-f687-cpxh-93rh: Improper input validation in Windows Mobile Broadband allows an authorized attacker to elevate privileges locally↗2025-04-08
▶

📋Vendor Advisories

1
Microsoft
Windows Mobile Broadband Driver Elevation of Privilege Vulnerability↗2025-04-08
▶

🕵️Threat Intelligence

1
Bleepingcomputer
Microsoft April 2025 Patch Tuesday fixes exploited zero-day, 134 flaws↗2025-04-08
▶
CVE-2025-29811 — Improper Input Validation in Microsoft | cvebase