CVE•Published 2025-10-09•Modified 2026-10-08•1 article on news•6 live references•NVD data
CVE-2025-59286Microsoft · 365_copilot_chat
Vulnerability data via NVD (ingested)
CVSS v3.1
9.3
CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:N
EPSS percentile
45
Exploit Prediction Scoring System · top 55% of all CVEs
Weaknesses (CWE)
Description
Improper neutralization of special elements used in a command ('command injection') in Copilot allows an unauthorized attacker to disclose information over a network.
Timeline
Published 2025-10-09
Modified 2026-10-08
External references
Search for exposed instances
Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).
Shodan · vuln tag0 hosts
vuln:CVE-2025-59286Hosts Shodan has explicitly fingerprinted as vulnerable.
Shodan · product
product:"Microsoft 365 Copilot Chat"All exposed Microsoft 365 Copilot Chat instances — cross-reference with the CVE's affected-version range.
Shodan · banner/body mention
http.html:"365 Copilot Chat"HTTP body or banner mentions "365 Copilot Chat" — catches deploys Shodan didn't identify as a product.
More intel sources (5)
Shodan report
vuln:CVE-2025-59286Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2025-59286Censys host search filtered to this CVE id.
grep.app
CVE-2025-59286Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2025-59286GitHub code search for direct mentions.
Google dork
"CVE-2025-59286" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.
Known PoCs on GitHub
No public proof-of-concept repositories found for CVE-2025-59286 on GitHub.