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CVE-2026-48561

Microsoft Copilot Remote Code Execution Vulnerability

Published: Jul 14, 2026Updated: Jul 16, 2026 Sources: CVE List NVDCWE-77
9.6CRITICAL
NVD MITRE
EPSS Score
0.8%
Top 48.7%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
Not available

Description

Improper neutralization of special elements used in a command ('command injection') in Microsoft Copilot allows an unauthorized attacker to execute code over a network.

In plain language

AI Act now

Microsoft 365 Copilot for Android and iOS have a serious command-injection weakness that could let an attacker run code if they trick a user into interacting with a malicious Copilot input; you should update promptly if you use Copilot on mobile.

Executive summary

CVE-2026-48561 is a command-injection (CWE-77) flaw in Microsoft 365 Copilot for Android and Microsoft 365 Copilot for iOS that allows network attackers to trigger remote code execution via malicious input when user interaction occurs (no authentication required).

If affected, business impact
Remote code execution on deviceComplete account/session compromiseData theft from mobile deviceService disruption on employee devices

What to do now

  1. Check whether you (or staff) use Microsoft 365 Copilot on mobile devices running the Copilot Android or iOS apps.
  2. Update Microsoft 365 Copilot for Android and Microsoft 365 Copilot for iOS to the latest version available in your app store, since fixes are available in the published releases.
  3. Until updated, treat unexpected Copilot prompts, links, or files you didn’t request as suspicious and avoid interacting with them.
Usually a quick update

CVSS Vector Breakdown

AV:NAC:LPR:NUI:RS:CC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:RUser Interaction
Required
Scope
S:CScope
Changed
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-77

Affected Products

Microsoft
commercial·US
Microsoft 365 Copilot for AndroidSaaSMobile App
Consumer Software
Microsoft 365 Copilot for iOSSaaSMobile App
Consumer Software
365 copilotOn-premSaaS Service
Cloud & SaaS / saas-application

Exploitability

Official Patch Available
Is your org exposed to CVE-2026-48561?We can run the check for you — a free external exposure review, no install. Check my exposure

Attack Graph

Products CVE Techniques Tactics

Click technique nodes for MITRE ATT&CK details · drag to pan · Ctrl/⌘ + scroll to zoom, or go fullscreen.

MITRE ATT&CK

1 technique
Execution
View detailed technique mapping

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-48561
msrc.microsoft.com
News mentions
6

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