{"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":"exchange_server","affected":["exchange_server = 2016","exchange_server = 2019","exchange_server_subscription_edition < 15.02.2562.049"],"patched":["exchange_server_subscription_edition 15.02.2562.049"],"published":"2026-09-08","updated":"2026-09-30","sourceUpdated":"2026-09-30T12:29:48.747","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"],"epss":0.00756,"epssPercentile":0.54953,"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2026-09-10T14:18:13.298871Z"},"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## Affected\n\n- `exchange_server = 2016`\n- `exchange_server = 2019`\n- `exchange_server_subscription_edition < 15.02.2562.049`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `exchange_server_subscription_edition 15.02.2562.049`","depth":"midnight","depthScore":51,"depthScoreParts":{"impact":51.2,"likelihood":0.2,"exploitation":0,"ransomware":0},"changes":[]}