CVE-2026-26133

Published: Mar 13, 2026

Modified: Apr 14, 2026

PUBLISHED

CVSS v3.1

7.1

HIGH

AI command injection in M365 Copilot allows an unauthorized attacker to disclose information over a network.

Vendor	Product	Versions
Microsoft	Microsoft 365 Copilot for Android	affected `1.0 - < 16.0.19815.10000`
Microsoft	Microsoft 365 Copilot for iOS	affected `1.0 - < 2.107.2`
Microsoft	Microsoft Edge for Android	affected `1.0.0 - < 145.3800.99`
Microsoft	Microsoft Edge for iOS	affected `1.0.0.0 - < 145.3800.99`
Microsoft	Microsoft Excel for Android	affected `16.0.0.0 - < 16.0.19822.20038`
Microsoft	Microsoft Excel for iOS	affected `1.0 - < 2.106.26020617`
Microsoft	Microsoft Loop for iOS	affected `2.0.0 - < 2.106.26020617`
Microsoft	Microsoft OneNote	affected `1.0.0 - < 2.106.26020617`
Microsoft	Microsoft OneNote for Android	affected `16.0.1 - < 16.0.19725.20142`
Microsoft	Microsoft Outlook for Android	affected `1.0 - < 5.2605`
Microsoft	Microsoft Outlook for iOS	affected `1.0.0 - < 5.2605`
Microsoft	Microsoft Outlook for Mac	affected `1.0.0 - < 5.2605`
Microsoft	Microsoft PowerBI for Android	affected `2.0.0 - < 2.2.260210.21290750`
Microsoft	Microsoft PowerBI for iOS	affected `1.0.0 - < 1.2.260302.2193910`
Microsoft	Microsoft PowerPoint for Android	affected `16.0.0.0 - < 16.0.19822.20038`
Microsoft	Microsoft PowerPoint for iOS	affected `1.0 - < 2.106.26020617`
Microsoft	Microsoft Teams for Android	affected `1.0.0 - < 1.0.0.2026043102`
Microsoft	Microsoft Teams for iOS	affected `2.0.0 - < 8.3.1`
Microsoft	Microsoft Word for Android	affected `16.0.0.0 - < 16.0.19822.20038`
Microsoft	Microsoft Word for iOS	affected `2.0.0 - < 2.106.26020617`

CVSS v3.1 Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N/E:U/RL:O/RC:C

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

Low

Availability

None

vendor-advisory

patch

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