CVE-2025-27731 — Improper Input Validation in Microsoft Windows 10 Version 1809

CWE-20 — Improper Input Validation5 documents5 sources
Severity
7.8HIGHNVD
EPSS
0.8%
top 25.44%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
17
Microsoft Windows 10 Version 1809Microsoft Windows 10 Version 21h2Microsoft Windows 10 Version 22h2+14 more
Timeline
PublishedApr 8

Description

Improper input validation in OpenSSH for Windows 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 Packages17 packages

▶NVDmicrosoft/windows< 10.0.17763.7136+3
▶NVDmicrosoft/windows_10_1809< 10.0.17763.7136
▶NVDmicrosoft/windows_10_21h2< 10.0.19044.5737
▶NVDmicrosoft/windows_10_22h2< 10.0.19045.5737
▶NVDmicrosoft/windows_11_22h2< 10.0.22621.5189

🔴Vulnerability Details

2
GHSA
GHSA-c3xg-4h7v-p83w: Improper input validation in OpenSSH for Windows allows an authorized attacker to elevate privileges locally↗2025-04-08
▶
CVEList
Microsoft OpenSSH for Windows Elevation of Privilege Vulnerability↗2025-04-08
▶

📋Vendor Advisories

1
Microsoft
Microsoft OpenSSH for Windows 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-2025-27731 — Improper Input Validation in Microsoft | cvebase