CVE-2026-41100

CVE Enrichment

CVSS: 4.4 MEDIUM
EPSS: 0.25%
EPSS Percentile: 16.23%
CISA KEV: Not listed

Description

Improper access control in M365 Copilot allows an authorized attacker to perform spoofing locally.

Technical Details

CVSS Version: 3.1
CNA / NVD Source: [email protected]
Published: 13-May-2026 01:17
Last Modified: 27-Oct-2026 01:10
EPSS Date: 2026-10-31
CWE: CWE-284

CVSS Vector


            CVSS:3.1                            AV:L /
                            AC:L /
                            PR:L /
                            UI:N /
                            S:U /
                            C:L /
                            I:L /
                            A:N

Affected Products / Versions

microsoft / 365_copilot
Version / affected range: * · before (exclusive) 16.0.19822.20190
cpe:2.3:a:microsoft:365_copilot:*:*:*:*:*:android:*:*

References

[email protected]

Last enrichment sync: 01-Nov-2026 15:55
Sources: NVD · FIRST EPSS · CISA KEV
Latest successful provider update; providers refresh independently.

Reported Context (1)

Microsoft fixed the flaws and issued CVE numbers CVE-2026-41100, -41101 and -41102 on May 12. Debug-Mode Flaw in Six Microsoft Android Apps Could Expose Account Tokens

People (1)

MITRE ATT&CK (3)

Vendors (1)

Products (7)

Note: Related entities, including threat actors, malware, CVEs, MITRE ATT&CK techniques, vendors, products, tools, countries, and industries, are shown when they appear in the same reporting. Their presence does not necessarily mean they were targeted, compromised, vulnerable, responsible for the activity, or directly involved in the incident.