PT-2025-6317 · Microsoft · Windows Installer+1

Simon Zuckerbraun · Published 2025-02-11 · Updated 2025-02-25 · CVE-2025-21373

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: An elevation-of-privilege issue in Windows Installer allows attackers to affect the system. The estimated number of potentially affected devices worldwide is not specified. There is no information about real-world incidents where this issue was exploited.

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

LPE

Link Following

Weakness Enumeration

CWE-59

Related Identifiers

BDU:2025-02037

CVE-2025-21373

ZDI-25-091

Affected Products

Windows

Windows Installer

References · 12

• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2025-21373 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-21373 · Security Note
• https://osv.dev/vulnerability/CVE-2025-21373 · Vendor Advisory
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21373 · Vendor Advisory
• https://bdu.fstec.ru/vul/2025-02037 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2025-21373 · Security Note
• https://zerodayinitiative.com/advisories/ZDI-25-091 · Security Note
• https://twitter.com/SystemTek_UK/status/1894308148669726966 · Twitter Post
• https://twitter.com/syedaquib77/status/1894105927479079413 · Twitter Post
• https://twitter.com/windowsforum/status/1889402898590654702 · Twitter Post
• https://twitter.com/CVEnew/status/1889378102616400090 · Twitter Post
• https://t.me/avleonovcom/1508 · Telegram Post