Veille CVE
CVE-2026-41091
7.8 Élevée Exploitée activementCatalogue CISA KEV — Microsoft Defender Link Following Vulnerability
Ajoutée le 20/05/2026 · Échéance de correction (agences US) : 03/06/2026
Action requise : Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Description
Improper link resolution before file access ('link following') in Microsoft Defender allows an authorized attacker to elevate privileges locally.
Produits concernés
Scores CVSS
| Version | Score | Source | Vecteur |
|---|---|---|---|
| 3.1 | 7.8 Élevée | secure@microsoft.com | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
Faiblesses (CWE)
Références
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-41091 Vendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-41091 Third Party AdvisoryUS Government Resource