PT-2026-7402 · Microsoft · Windows App For Mac

John Woodman + 1 · Published 2026-02-10 · Updated 2026-03-02 · CVE-2026-21517

Positive Technologies (AI Summary)

CVSS v3.1

7.0

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Windows App for Mac (affected versions not specified)

Description A flaw in how the Windows App for Mac handles link resolution before file access, known as 'link following', could allow a local attacker to gain higher privileges. The issue was addressed with a patch and assigned a vulnerability identifier.

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:2026-01786

CVE-2026-21517

Affected Products

Windows App For Mac

References · 9

• https://osv.dev/vulnerability/CVE-2026-21517 · Vendor Advisory
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-21517 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-21517 · Security Note
• https://bdu.fstec.ru/vul/2026-01786 · Security Note
• https://twitter.com/JohnWoodman15/status/2021596800130425100 · Twitter Post
• https://t.me/msrcreports/3020 · Telegram Post
• https://twitter.com/rahsi_aaka/status/2028396909506052287 · Twitter Post
• https://t.me/cveNotify/153150 · Telegram Post
• https://t.me/cveNotify/151659 · Telegram Post