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Microsoft Products Vulnerability Advisory CVE-2026-4519

Favicon for www.cert.ssi.gouv.fr CERT-FR Security Advisories
Published March 27th, 2026
Detected March 27th, 2026
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Summary

CERT-FR has issued an advisory regarding a vulnerability (CVE-2026-4519) in Microsoft products, specifically affecting azl3 python3 versions prior to 3.12.9-10. The advisory directs users to Microsoft's security bulletin for patch information.

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What changed

CERT-FR, the French national cybersecurity agency, has published an advisory (CERTFR-2026-AVI-0368) detailing a vulnerability identified as CVE-2026-4519 in Microsoft products. The advisory notes that the vulnerability, which affects azl3 python3 versions prior to 3.12.9-10, allows an unspecified security issue to be exploited by an attacker. The specific risk level was not detailed by the publisher.

Organizations using the affected Microsoft products, particularly those with azl3 python3 installations, should consult the provided Microsoft security bulletin (CVE-2026-4519) for details on the vulnerability and to obtain the necessary patches. Prompt application of these patches is recommended to mitigate potential security risks.

What to do next

  1. Consult Microsoft security bulletin CVE-2026-4519 for patch information.
  2. Apply available patches for azl3 python3 versions prior to 3.12.9-10.

Source document (simplified)

Premier Ministre S.G.D.S.N

Agence nationale
de la sécurité des
systèmes d'information

Paris, le 27 mars 2026 N° CERTFR-2026-AVI-0368 Affaire suivie par: CERT-FR

Avis du CERT-FR

Objet: Vulnérabilité dans les produits Microsoft

Gestion du document

| Référence | CERTFR-2026-AVI-0368 |
| Titre | Vulnérabilité dans les produits Microsoft |
| Date de la première version | 27 mars 2026 |
| Date de la dernière version | 27 mars 2026 |
| Source(s) | Bulletin de sécurité Microsoft CVE-2026-4519 du 25 mars 2026 |
Une gestion de version détaillée se trouve à la fin de ce document.

Risque

  • Non spécifié par l'éditeur

Systèmes affectés

  • azl3 python3 3.12.9-9 versions antérieures à 3.12.9-10

Résumé

Une vulnérabilité a été découverte dans les produits Microsoft. Elle permet à un attaquant de provoquer un problème de sécurité non spécifié par l'éditeur.

Solutions

Se référer au bulletin de sécurité de l'éditeur pour l'obtention des correctifs (cf. section Documentation).

Documentation

Gestion détaillée du document

  1. le 27 mars 2026 Version initiale

Named provisions

Risque Systèmes affectés Résumé Solutions Documentation

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Source

Favicon for www.cert.ssi.gouv.fr
CERT-FR Security Advisories cert.ssi.gouv.fr/avis
Data Privacy & Cybersecurity
Analysis generated by AI. Source diff and links are from the original.

Classification

Agency
CERT-FR
Published
March 27th, 2026
Instrument
Notice
Legal weight
Non-binding
Stage
Final
Change scope
Substantive
Document ID
CERTFR-2026-AVI-0368

Who this affects

Applies to
Manufacturers
Industry sector
3341 Computer & Electronics Manufacturing 5112 Software & Technology
Activity scope
Vulnerability Management Software Patching
Threshold
azl3 python3 3.12.9-9 versions antérieures à 3.12.9-10
Geographic scope
France FR

Taxonomy

Primary area
Cybersecurity
Operational domain
IT Security
Compliance frameworks
NIST CSF
Topics
Vulnerability Management Software Security

Browse Categories

Agriculture & Food Safety 63 AI Regulation 3 Banking & Finance 266 Consumer & Competition 1 Consumer Protection 44 Courts & Legal 360 Data Privacy & Cybersecurity 74 Defense & National Security 52 Education 20 Energy 107 Environment 85 Government & Legislation 285 Healthcare 136 Housing 16 Immigration 9 Insurance 58 Labor & Employment 114 Legal & Courts 1 Pharma & Drug Safety 103 Securities & Markets 104 Tax 65 Tax & Revenue 1 Telecom & Technology 47 Trade & Sanctions 124 Transportation 57

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