{"id":"CVE-2026-97740","title":"Exposure of sensitive system information to an unauthorized control sphere in Microsoft Office Excel allows an unauthorized attacker to disclose information over a network.","summary":"Exposure of sensitive system information to an unauthorized control sphere in Microsoft Office Excel 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-497"],"vendor":"microsoft","product":"365_apps","affected":["365_apps","microsoft_365","office_2021","office_2024","office_online_server < 16.0.10417.20228"],"patched":["office_online_server 16.0.10417.20228"],"published":"2026-10-13","updated":"2026-10-15","sourceUpdated":"2026-10-15T21:19:27.753","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-97740","references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-97740","label":"secure@microsoft.com"}],"tags":["nvd","cve.org"],"epss":0.00859,"epssPercentile":0.58273,"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-10-13T19:35:47.968439Z"},"ingestedAt":"2026-10-13T19:43:29.292Z","slug":"CVE-2026-97740","body":"## Overview\n\nExposure of sensitive system information to an unauthorized control sphere in Microsoft Office Excel allows an unauthorized attacker to disclose information over a network.\n\n## Affected\n\n- `365_apps`\n- `microsoft_365`\n- `office_2021`\n- `office_2024`\n- `office_online_server < 16.0.10417.20228`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `office_online_server 16.0.10417.20228`","depth":"sunlit","depthScore":36,"depthScoreParts":{"impact":35.8,"likelihood":0.2,"exploitation":0,"ransomware":0},"changes":[]}