PT-2025-15560 · Microsoft · Windows

Ben Faull · Published 2025-04-08 · Updated 2025-04-10 · CVE-2025-27737

Positive Technologies (AI Summary)

CVSS v3.1

8.6

High

Base vector

AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions: Windows (affected versions not specified)

Description: The issue is related to improper input validation in Windows Security Zone Mapping, which allows an unauthorized attacker to bypass a security feature locally.

Recommendations: At the moment, there is no information about a newer version that contains a fix for this vulnerability.

RCE

Weakness Enumeration

CWE-20

Related Identifiers

BDU:2025-04975

CVE-2025-27737

Affected Products

Windows

References · 9

• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2025-27737 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2025-27737 · Vendor Advisory
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-27737 · Vendor Advisory
• https://bdu.fstec.ru/vul/2025-04975 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2025-27737 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2025-27737 · Security Note
• https://twitter.com/CVEnew/status/1909665145262911500 · Twitter Post
• https://t.me/msrcreports/1968 · Telegram Post
• https://twitter.com/threatsbank/status/1909940792375882235 · Twitter Post