{"id":"CVE-2026-21529","aliases":["EUVD-2026-7335","GHSA-8754-7pfj-x7mr"],"status":"published","title":"Azure HDInsight Spoofing Vulnerability","description":"Improper neutralization of input during web page generation ('cross-site scripting') in Azure HDInsights allows an authorized attacker to perform spoofing over a network.","severity":{"version":"3.1","score":5.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00654,"percentile":0.51678,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2026-02-10T17:51:33Z","modified":"2026-08-19T16:26:03Z","products":[{"vendor":"microsoft","product":"azure hdinsight"},{"vendor":"microsoft","product":"azure_hdinsight"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-21529","tags":["vendor-advisory","patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-21529"},{"url":"https://github.com/advisories/GHSA-8754-7pfj-x7mr"}],"sources":{"cve":[{"id":"CVE-2026-21529","title":"Azure HDInsight Spoofing Vulnerability","description":"Improper neutralization of input during web page generation ('cross-site scripting') in Azure HDInsights allows an authorized attacker to perform spoofing over a network.","status":"published","published":"2026-02-10T17:51:33.525Z","modified":"2026-08-19T16:26:03.721Z","cvss":[{"version":"3.1","score":5.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C","level":"medium","assessor":"cna"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T13:41:42.05254Z"}],"euvd":[{"id":"EUVD-2026-7335","description":"Improper neutralization of input during web page generation ('cross-site scripting') in Azure HDInsights allows an authorized attacker to perform spoofing over a network.","status":"published","published":"2026-02-10T17:51:33Z","modified":"2026-08-19T16:26:03Z","cvss":[{"version":"3.1","score":5.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C","level":"medium"}],"updated_at":"2026-11-02T18:01:44.172516Z"}],"ghsa":[{"id":"GHSA-8754-7pfj-x7mr","title":"Improper neutralization of input during web page generation ('cross-site scripting') in Azure...","description":"Improper neutralization of input during web page generation ('cross-site scripting') in Azure HDInsights allows an authorized attacker to perform spoofing over a network.","status":"published","published":"2026-02-10T18:30:42Z","modified":"2026-02-10T18:30:54Z","cvss":[{"version":"3.1","score":5.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T15:06:07.875228Z"}],"nvd":[{"id":"CVE-2026-21529","description":"Improper neutralization of input during web page generation ('cross-site scripting') in Azure HDInsights allows an authorized attacker to perform spoofing over a network.","status":"published","published":"2026-02-10T18:16:35.433Z","modified":"2026-06-17T10:18:47.407Z","cvss":[{"version":"3.1","score":5.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"secondary"},{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:12:05.908608Z"}]}}