{"id":"CVE-2026-26144","aliases":["EUVD-2026-10701","GHSA-39m5-6xwx-6qjf"],"status":"published","title":"Microsoft Excel Information Disclosure Vulnerability","description":"Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Office Excel allows an unauthorized attacker to disclose information over a network.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.01387,"percentile":0.72606,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2026-03-10T17:05:23Z","modified":"2026-06-19T18:18:11Z","products":[{"vendor":"microsoft","product":"365_apps"},{"vendor":"microsoft","product":"microsoft 365 apps for enterprise"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-26144","tags":["vendor-advisory","patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-26144"},{"url":"https://github.com/advisories/GHSA-39m5-6xwx-6qjf"}],"sources":{"cve":[{"id":"CVE-2026-26144","title":"Microsoft Excel Information Disclosure Vulnerability","description":"Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Office Excel allows an unauthorized attacker to disclose information over a network.","status":"published","published":"2026-03-10T17:05:23.445Z","modified":"2026-06-19T18:18:11.079Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C","level":"high","assessor":"cna"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T13:38:32.13011Z"}],"euvd":[{"id":"EUVD-2026-10701","description":"Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Office Excel allows an unauthorized attacker to disclose information over a network.","status":"published","published":"2026-03-10T17:05:23Z","modified":"2026-06-19T18:18:11Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C","level":"high"}],"updated_at":"2026-11-02T18:20:35.26548Z"}],"ghsa":[{"id":"GHSA-39m5-6xwx-6qjf","title":"Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft...","description":"Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Office Excel allows an unauthorized attacker to disclose information over a network.","status":"published","published":"2026-03-10T18:31:21Z","modified":"2026-03-10T18:31:30Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T15:06:32.599326Z"}],"nvd":[{"id":"CVE-2026-26144","description":"Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Office Excel allows an unauthorized attacker to disclose information over a network.","status":"published","published":"2026-03-10T18:18:43.11Z","modified":"2026-06-17T10:25:48.293Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"secondary"},{"version":"3.1","score":4.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:12:08.98071Z"}]}}