CVE-2025-27737 : Improper input validation in Windows Security Zone Mapping allows an unauthorize

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

Published 2025-04-08 17:24:11

Updated 2025-04-09 20:03:02

View at NVD, CVE.org

Products affected by CVE-2025-27737

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EPSS FAQ

0.10%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 28 %

Percentile, the proportion of vulnerabilities that are scored at or less

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source	First Seen
8.6	HIGH	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H/...	N/A	N/A	Microsoft Corporation	2025-04-08
Attack Vector: Local Attack Complexity: Low Privileges Required: None User Interaction: Required Scope: Changed Confidentiality: High Integrity: High Availability: High
8.6	HIGH	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H	1.8	6.0	Microsoft Corporation	2025-04-08
Attack Vector: Local Attack Complexity: Low Privileges Required: None User Interaction: Required Scope: Changed Confidentiality: High Integrity: High Availability: High
8.6	HIGH	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H/...	N/A	N/A	MS-CVE-2025-27737	2025-04-08
Attack Vector: Local Attack Complexity: Low Privileges Required: None User Interaction: Required Scope: Changed Confidentiality: High Integrity: High Availability: High

CWE-20 Improper Input Validation

The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.

Assigned by: secure@microsoft.com (Primary)

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