CVE catalog
CVE-2026-41100
Improper access control in M365 Copilot allows an authorized attacker to perform spoofing locally.
- Severity
- Medium · CVSS 4.4
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 0.25% · Oct 25, 2026
Improper access control in M365 Copilot allows an authorized attacker to perform spoofing locally.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Cpe | 365_copilot | Not reported | 16.0.19822.20190 | fixed |
| Cpe | 365_copilot | Not reported | 16.0.19822.20190 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Cpe | 365_copilot | cpe | Not reported | 16.0.19822.20190 | Not reported | Not reported | Not reported |
| Cpe | 365_copilot | cpe | Not reported | 16.0.19822.20190 | Not reported | NVD-CVE-2026-41100 | Not reported |
OpenFactory catalog packages
No matching packages in this catalog.
Observed: