{"id":"CVE-2026-69356","title":"Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Exchange Server allows an unauthorized attacker to perform spoofing over a network.","summary":"Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Exchange Server allows an unauthorized attacker to perform spoofing over a network.","severity":"critical","cvss":9.3,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N","cwe":["CWE-79"],"vendor":"Microsoft","product":"Microsoft Exchange Server 2016 Cumulative Update 23","affected":["exchange_server_2016_cumulative_update_23 >= 15.01.0.0 < 15.01.2507.073","exchange_server_2019_cumulative_update_14 >= 15.02.0.0 < 15.02.1544.046","exchange_server_2019_cumulative_update_15 >= 15.02.0.0 < 15.02.1748.051","exchange_server_subscription_edition_rtm >= 15.02.0.0 < 15.02.2562.049"],"published":"2026-09-08","updated":"2026-09-10","sourceUpdated":"2026-09-10T15:17:37.440","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-69356","references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69356","label":"secure@microsoft.com"}],"tags":["nvd","cve.org"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2026-09-10T14:18:13.298871Z"},"epss":0.007,"epssPercentile":0.51357,"ingestedAt":"2026-09-08T19:08:49.610Z","slug":"CVE-2026-69356","body":"## Overview\n\nImproper neutralization of input during web page generation ('cross-site scripting') in Microsoft Exchange Server allows an unauthorized attacker to perform spoofing over a network.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"midnight","depthScore":51,"depthScoreParts":{"impact":51.2,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}