Improper neutralization of special elements used in a command ('command injection') in M365 Copilot allows an unauthorized attacker to disclose information over a network.
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Microsoft | Microsoft 365 Copilot | affected |
|
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Advisories
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Fixes
Solution
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Workaround
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References
History
Fri, 22 May 2026 22:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | Improper neutralization of special elements used in a command ('command injection') in M365 Copilot allows an unauthorized attacker to disclose information over a network. | |
| Title | M365 Copilot Information Disclosure Vulnerability | |
| First Time appeared |
Microsoft
Microsoft 365 Copilot |
|
| Weaknesses | CWE-77 | |
| CPEs | cpe:2.3:a:microsoft:365_copilot:*:*:*:*:*:*:*:* | |
| Vendors & Products |
Microsoft
Microsoft 365 Copilot |
|
| References |
| |
| Metrics |
cvssV3_1
|
Projects
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MITRE
Status: PUBLISHED
Assigner: microsoft
Published:
Updated: 2026-05-22T22:03:08.198Z
Reserved: 2026-04-30T14:51:12.703Z
Link: CVE-2026-42827
Vulnrichment
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NVD
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Redhat
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OpenCVE Enrichment
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Weaknesses