CVE-2025-27737 — Improper Input Validation in Microsoft Windows 10 Version 1507

CWE-20 — Improper Input Validation5 documents5 sources
Severity
8.6HIGHNVD
EPSS
0.8%
top 25.36%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
27
Microsoft Windows 10 Version 1507Microsoft Windows 10 Version 1607Microsoft Windows 10 Version 1809+24 more
Timeline
PublishedApr 8

Description

Improper input validation in Windows Security Zone Mapping allows an unauthorized attacker to bypass a security feature locally.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:HExploitability: 1.8 | Impact: 6.0

Affected Packages26 packages

▶NVDmicrosoft/windows< 10.0.14393.7969+5
▶NVDmicrosoft/windows_10_1507< 10.0.10240.20978
▶NVDmicrosoft/windows_10_1607< 10.0.14393.7969
▶NVDmicrosoft/windows_10_1809< 10.0.17763.7136
▶NVDmicrosoft/windows_10_21h2< 10.0.19044.5737

🔴Vulnerability Details

2
CVEList
Windows Security Zone Mapping Security Feature Bypass Vulnerability↗2025-04-08
▶
GHSA
GHSA-ghmp-5866-2jgf: Improper input validation in Windows Security Zone Mapping allows an unauthorized attacker to bypass a security feature locally↗2025-04-08
▶

📋Vendor Advisories

1
Microsoft
Windows Security Zone Mapping Security Feature Bypass Vulnerability↗2025-04-08
▶

🕵️Threat Intelligence

1
Bleepingcomputer
Microsoft April 2025 Patch Tuesday fixes exploited zero-day, 134 flaws↗2025-04-08
▶
CVE-2025-27737 — Improper Input Validation in Microsoft | cvebase