{"id":"CVE-2026-45504","title":"Server-side request forgery (ssrf) in Microsoft Exchange Server allows an authorized attacker to elevate privileges over a network.","summary":"Server-side request forgery (ssrf) in Microsoft Exchange Server allows an authorized attacker to elevate privileges over a network.","severity":"high","cvss":8.8,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","cwe":["CWE-918"],"vendor":"microsoft","product":"exchange_server","affected":["exchange_server = 2016","exchange_server = 2019","exchange_server_subscription_edition < 15.02.2562.043"],"patched":["exchange_server_subscription_edition 15.02.2562.043"],"published":"2026-06-09","updated":"2026-07-28","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-45504","references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45504","label":"secure@microsoft.com"}],"tags":["nvd","exploit-available"],"epss":0.00846,"epssPercentile":0.56512,"ingestedAt":"2026-07-28T23:40:23.620Z","exploits":{"github":1,"githubRepos":["https://github.com/hawktrace/CVE-2026-45504"],"checkedAt":"2026-09-23T07:14:06.287Z"},"exploitAvailable":true,"slug":"CVE-2026-45504","body":"## Overview\n\nServer-side request forgery (ssrf) in Microsoft Exchange Server allows an authorized attacker to elevate privileges over a network.\n\n## Affected\n\n- `exchange_server = 2016`\n- `exchange_server = 2019`\n- `exchange_server_subscription_edition < 15.02.2562.043`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `exchange_server_subscription_edition 15.02.2562.043`","depth":"midnight","depthScore":61,"depthScoreParts":{"impact":48.4,"likelihood":0.2,"exploitation":12,"ransomware":0},"changes":[{"seq":5240,"id":"CVE-2026-45504","ts":1788887255604,"field":"exploit_available","old":"false","new":"true"},{"seq":4123,"id":"CVE-2026-45504","ts":1788886372417,"field":"exploit_available","old":"true","new":"false"},{"seq":2896,"id":"CVE-2026-45504","ts":1788883037865,"field":"exploit_available","old":"false","new":"true"},{"seq":1925,"id":"CVE-2026-45504","ts":1788882441322,"field":"exploit_available","old":"true","new":"false"},{"seq":1014,"id":"CVE-2026-45504","ts":1788881876194,"field":"exploit_available","old":"false","new":"true"}]}