{"id":"CVE-2026-42827","title":"Improper neutralization of special elements used in a command ('command injection') in M365 Copilot allows an unauthorized attacker to disclose information over a network.","summary":"Improper neutralization of special elements used in a command ('command injection') in M365 Copilot allows an unauthorized attacker to disclose information over a network.","severity":"medium","cvss":6.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","cwe":["CWE-77"],"vendor":"microsoft","product":"365_copilot","affected":["365_copilot"],"published":"2026-05-22","updated":"2026-07-23","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-42827","references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-42827","label":"secure@microsoft.com"}],"tags":["nvd"],"epss":0.00503,"epssPercentile":0.41888,"ingestedAt":"2026-07-23T11:17:34.759Z","slug":"CVE-2026-42827","body":"## Overview\n\nImproper neutralization of special elements used in a command ('command injection') in M365 Copilot allows an unauthorized attacker to disclose information over a network.\n\n## Affected\n\n- `365_copilot`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":36,"depthScoreParts":{"impact":35.8,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}