PT-2025-20952 · Microsoft · Windows Installer+1

Simon Zuckerbraun · Published 2025-05-13 · Updated 2025-05-21 · CVE-2025-29837

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

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

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 disclose information locally. The vulnerability can be exploited to obtain sensitive information and affect the system.

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

Link Following

Weakness Enumeration

CWE-59

Related Identifiers

BDU:2025-05559

CVE-2025-29837

ZDI-25-293

Affected Products

Windows

Windows Installer

References · 9

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-29837 · Vendor Advisory
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2025-29837 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-29837 · Security Note
• https://bdu.fstec.ru/vul/2025-05559 · Security Note
• https://osv.dev/vulnerability/CVE-2025-29837 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2025-29837 · Security Note
• https://zerodayinitiative.com/advisories/ZDI-25-293 · Security Note
• https://twitter.com/windowsforum/status/1922524335794708672 · Twitter Post
• https://twitter.com/CVEnew/status/1922339804282556712 · Twitter Post