PT-2026-2741 · Microsoft · Windows

Published 2026-01-13 · Updated 2026-01-13 · CVE-2026-20939

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 (affected versions not specified)

Description An issue exists in Windows File Explorer that could allow an authorized attacker to disclose information locally. The issue involves the exposure of sensitive information to an unauthorized actor.

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

Information Disclosure

Weakness Enumeration

CWE-200

Related Identifiers

BDU:2026-00404

CVE-2026-20939

Affected Products

Windows

References · 7

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-20939 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-20939 · Security Note
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2026-20939 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-20939 · Security Note
• https://osv.dev/vulnerability/CVE-2026-20939 · Vendor Advisory
• https://bdu.fstec.ru/vul/2026-00404 · Security Note
• https://twitter.com/CVEnew/status/2011142892216086831 · Twitter Post