{"id":"CVE-2026-45502","aliases":["EUVD-2026-35678","GHSA-pg2w-h945-7pf7"],"status":"published","title":"Microsoft Exchange Server Information Disclosure Vulnerability","description":"Server-side request forgery (ssrf) in Microsoft Exchange Server allows an authorized attacker to disclose information over a network.","severity":{"version":"3.1","score":5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N/E:U/RL:O/RC:C","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.19636,"percentile":0.97411,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-918"],"published":"2026-06-09T17:04:46Z","modified":"2026-11-10T23:23:41Z","products":[{"vendor":"microsoft","product":"exchange_server"},{"vendor":"microsoft","product":"exchange_server_subscription_edition"},{"vendor":"microsoft","product":"microsoft exchange server 2016 cumulative update 23"},{"vendor":"microsoft","product":"microsoft exchange server 2019 cumulative update 14"},{"vendor":"microsoft","product":"microsoft exchange server 2019 cumulative update 15"},{"vendor":"microsoft","product":"microsoft exchange server subscription edition rtm"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45502","tags":["vendor-advisory","patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-45502"},{"url":"https://github.com/advisories/GHSA-pg2w-h945-7pf7"}],"sources":{"cve":[{"id":"CVE-2026-45502","title":"Microsoft Exchange Server Information Disclosure Vulnerability","description":"Server-side request forgery (ssrf) in Microsoft Exchange Server allows an authorized attacker to disclose information over a network.","status":"published","published":"2026-06-09T17:04:46.157Z","modified":"2026-11-10T23:23:41.514Z","cvss":[{"version":"3.1","score":5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N/E:U/RL:O/RC:C","level":"medium","assessor":"cna"}],"cwes":["CWE-918"],"updated_at":"2026-11-11T00:50:10.062046Z"}],"euvd":[{"id":"EUVD-2026-35678","description":"Server-side request forgery (ssrf) in Microsoft Exchange Server allows an authorized attacker to disclose information over a network.","status":"published","published":"2026-06-09T17:04:46Z","modified":"2026-11-10T23:23:41Z","cvss":[{"version":"3.1","score":5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N/E:U/RL:O/RC:C","level":"medium"}],"updated_at":"2026-11-11T00:24:45.886763Z"}],"ghsa":[{"id":"GHSA-pg2w-h945-7pf7","title":"Server-side request forgery (ssrf) in Microsoft Exchange Server allows an authorized attacker to...","description":"Server-side request forgery (ssrf) in Microsoft Exchange Server allows an authorized attacker to disclose information over a network.","status":"published","published":"2026-06-09T18:30:50Z","modified":"2026-06-09T18:30:51Z","cvss":[{"version":"3.1","score":5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N","level":"medium"}],"cwes":["CWE-918"],"updated_at":"2026-11-02T15:08:41.598643Z"}],"nvd":[{"id":"CVE-2026-45502","description":"Server-side request forgery (ssrf) in Microsoft Exchange Server allows an authorized attacker to disclose information over a network.","status":"published","published":"2026-06-09T17:17:26.01Z","modified":"2026-07-28T23:16:58.837Z","cvss":[{"version":"3.1","score":5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-918"],"updated_at":"2026-11-02T14:12:23.109705Z"}]}}