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CVE-2026-41090 (GCVE-0-2026-41090)

Vulnerability from cvelistv5 – Published: 2026-05-22 22:03 – Updated: 2026-08-10 15:12 Exclusively Hosted Service
VLAI
Title
Microsoft Copilot Tampering Vulnerability
Summary
Improper neutralization of special elements used in a command ('command injection') in Microsoft Copilot allows an unauthorized attacker to perform tampering over a network.
Severity
9.3 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N/E:U/RL:O/RC:C
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-05-26 00:00 UTC
CWE
  • CWE-77 - Improper Neutralization of Special Elements used in a Command ('Command Injection')
Assigner
References
Impacted products
Vendor Product Version CPE status
Microsoft Microsoft 365 Copilot for iOS Affected: -
    cpe:2.3:a:microsoft:365_copilot_iOS:*:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2026-05-21 14:00
Show details on NVD website
To clipboard 

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


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