PT-2025-15551 · Microsoft · Windows Installer+1

Sim0Nsecurity · Published 2025-04-08 · Updated 2025-04-16 · CVE-2025-27727

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

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

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

Description: The issue is related to improper link resolution before file access, also known as 'link following', in Windows Installer. This allows an authorized attacker to elevate privileges locally.

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

LPE

RCE

Link Following

Weakness Enumeration

CWE-59

Related Identifiers

BDU:2025-04244

CVE-2025-27727

Affected Products

Windows

Windows Installer

References · 9

• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2025-27727 · Security Note
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-27727 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2025-27727 · Vendor Advisory
• https://bdu.fstec.ru/vul/2025-04244 · Security Note
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2025-27727 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-27727 · Security Note
• https://twitter.com/PortalFuse/status/1912536246632817071 · Twitter Post
• https://t.me/msrcreports/1971 · Telegram Post
• https://twitter.com/CVEnew/status/1909665153542390165 · Twitter Post