CVE-2026-26133

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

CVSS v3 7.1 HIGH

7.1^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.8 / Impact : 4.2

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact LOW

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-26133	Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:microsoft:365_copilot::::::iphone_os::*
	cpe:2.3:a:microsoft:365_copilot::::::android::*
	cpe:2.3:a:microsoft:edge::::::android::*
	cpe:2.3:a:microsoft:edge::::::iphone_os::*
	cpe:2.3:a:microsoft:excel::::::iphone_os::*
	cpe:2.3:a:microsoft:excel::::::android::*
	cpe:2.3:a:microsoft:loop::::::iphone_os::*
	cpe:2.3:a:microsoft:onenote::::::android::*
	cpe:2.3:a:microsoft:onenote:-:::::iphone_os::
	cpe:2.3:a:microsoft:outlook::::::android::*
	cpe:2.3:a:microsoft:outlook::::::iphone_os::*
	cpe:2.3:a:microsoft:outlook:-:::::macos::
	cpe:2.3:a:microsoft:power_bi::::::android::*
	cpe:2.3:a:microsoft:power_bi:-:::::iphone_os::
	cpe:2.3:a:microsoft:powerpoint::::::iphone_os::*
	cpe:2.3:a:microsoft:powerpoint::::::android::*
	cpe:2.3:a:microsoft:teams::::::android::*
	cpe:2.3:a:microsoft:teams::::::iphone_os::*
	cpe:2.3:a:microsoft:word::::::iphone_os::*
	cpe:2.3:a:microsoft:word::::::android::*

History

No history.

Information

Published : 2026-03-16 14:18

Updated : 2026-06-17 10:25

NVD link : CVE-2026-26133

Mitre link : CVE-2026-26133

CVE.ORG link : CVE-2026-26133

JSON object : View

Products Affected

microsoft

power_bi
outlook
365_copilot
edge
excel
powerpoint
teams
loop
word
onenote

CWE

CWE-77

Improper Neutralization of Special Elements used in a Command ('Command Injection')

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"versionType": "custom"}]}, {"vendor": "Microsoft", "product": "Microsoft PowerBI for Android", "versions": [{"status": "affected", "version": "2.0.0", "lessThan": "2.2.260210.21290750", "versionType": "custom"}]}, {"vendor": "Microsoft", "product": "Microsoft PowerBI for iOS", "versions": [{"status": "affected", "version": "1.0.0", "lessThan": "1.2.260302.2193910", "versionType": "custom"}]}, {"vendor": "Microsoft", "product": "Microsoft PowerPoint for Android", "versions": [{"status": "affected", "version": "16.0.0.0", "lessThan": "16.0.19822.20038", "versionType": "custom"}]}, {"vendor": "Microsoft", "product": "Microsoft PowerPoint for iOS", "versions": [{"status": "affected", "version": "1.0", "lessThan": "2.106.26020617", "versionType": "custom"}]}, {"vendor": "Microsoft", "product": "Microsoft Teams for Android", "versions": [{"status": "affected", "version": "1.0.0", "lessThan": "1.0.0.2026043102", "versionType": "custom"}]}, {"vendor": "Microsoft", "product": "Microsoft Teams 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"secure@microsoft.com"}