CVEs / CVE-2026-78501
CVE-2026-78501
Improper neutralization of special elements used in a command ('command injection') in Microsoft 365 Copilot's Business Chat allows an unauthorized attacker to disclose information over a network.
Affected products · 1
| Product | Versions affected | Fixed in |
|---|---|---|
| microsoft: 365 copilot chat | not stated by CPE | — |
Versions as NVD's CPE configuration states them; "—" means the record gives no fixed version, not that none exists. Check the vendor's advisory in the references.
In this registry
- Microsoft 365 Copilot for Government — agent dossier
References · 1
- msrc.microsoft.com/update-guide/vulnerability/CVE-2026-78501 — Patch, Vendor Advisory
The official record's references, as NVD lists them, minus any tagged Exploit. Nothing here is an exploit or a proof of concept.
Description, scores, versions and references are the official CVE record's own, retrieved 2026-10-25 from NVD. Category, attack surface and cross-links are this registry's classification and can be wrong — use the button above. Not a severity assessment for your deployment.