CVE-2026-41100
Microsoft 365 Copilot for Android Spoofing Vulnerability
MEDIUM 4.4
At a glance
- Source
- NVD
- EPSS
- EPSS 0.25 % · percentile 16 ()
- State
- PUBLISHED
- Published
- Updated
- Assigner
- microsoft
- NVD status
- Analyzed
Description
Improper access control in M365 Copilot allows an authorized attacker to perform spoofing locally.
Weaknesses (CWE)
- CWE-284 — Improper Access Control
References
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| CVSS 3.1 | MEDIUM 4.4 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C | microsoft |
| CVSS 3.1 | MEDIUM 4.4 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N | NVD · secure@microsoft.com (Secondary) |
European references
- ENISA EUVD · EUVD-2026-29686
- GCVE · GCVE-0-2026-41100
CERT-FR advisories
- CERTFR-2026-AVI-0584 — Multiples vulnérabilités dans Microsoft Office · cert.ssi.gouv.fr
Affected configurations (NVD CPE)
cpe:2.3:a:microsoft:365_copilot:*:*:*:*:*:android:*:*< 16.0.19822.20190
Affected products
| Product | Versions |
|---|---|
| Microsoft · Microsoft 365 Copilot for Android | affected 1.0 < 16.0.19822.20190 |
| Microsoft · Microsoft Excel for Android | affected 16.0.0.0 < 16.0.19822.20190 |
| Microsoft · Microsoft Loop for Android | affected 1.0.0 < 16.0.19822.20190 |
| Microsoft · Microsoft OneNote for Android | affected 16.0.1 < 16.0.19822.20190 |
| Microsoft · Microsoft PowerPoint for Android | affected 16.0.0.0 < 16.0.19822.20190 |
| Microsoft · Microsoft Word for Android | affected 16.0.0.0 < 16.0.19822.20190 |
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| CERT-FR (ANSSI) | Licence Ouverte / Etalab 2.0 |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |