{"@odata.context":"https://api.msrc.microsoft.com/sug/v2.0/sugodata/v2.0/en-US/$metadata#vulnerability/$entity","id":"00000000-0000-0000-0000-000072fcbf80","releaseDate":"2026-11-10T08:00:00-08:00","cveNumber":"CVE-2026-118741","cveTitle":"ASP.NET Core Elevation of Privilege Vulnerability","releaseNumber":"2026-Nov","vulnType":"Security Vulnerability","latestRevisionDate":"2026-11-11T08:00:00-08:00","description":"<p>Improper authentication in ASP.NET Core allows an unauthorized attacker to elevate privileges over a network.</p>\n","cweList":["CWE-640: Weak Password Recovery Mechanism for Forgotten Password"],"cweDetailsListForSearch":["cwe: CWE-640: Weak Password Recovery Mechanism for Forgotten Password","cweUrl: https://cwe.mitre.org/data/definitions/640.html"],"unformattedDescription":"<p>Improper authentication in ASP.NET Core allows an unauthorized attacker to elevate privileges over a network.</p>","mitreText":"CVE-2026-118741","mitreUrl":"https://www.cve.org/CVERecord?id=CVE-2026-118741","publiclyDisclosed":"No","exploited":"No","latestSoftwareReleaseId":2,"latestSoftwareRelease":"Exploitation Less Likely","olderSoftwareReleaseId":0,"denialOfService":"N/A","tag":"ASP.NET Core","issuingCna":"Microsoft","issuingCnaId":100000001,"severityId":100000001,"severity":"Important","impactId":100000002,"impact":"Elevation of Privilege","langCode":"en-US","baseScore":"8.1","temporalScore":"7.1","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","vectorStringSource":"Microsoft","isMariner":false,"customerActionRequired":true,"customerActionRequiredId":1,"cweDetailsList":[{"keys":["cwe","cweUrl"],"values":["CWE-640: Weak Password Recovery Mechanism for Forgotten Password","https://cwe.mitre.org/data/definitions/640.html"]}],"articles":[{"title":"ASP.NET Core Elevation of Privilege Vulnerability","articleType":"100000000","description":"<p>Improper authentication in ASP.NET Core allows an unauthorized attacker to elevate privileges over a network.</p>\n","ordinal":10000},{"articleType":"FAQ","description":"<p><strong>How could an attacker exploit this vulnerability?</strong></p>\n<p>An unauthenticated attacker could exploit this vulnerability by submitting a password reset request using a specially crafted email address that is treated as equivalent to another account. Successful exploitation could allow the attacker to take over the targeted account. No user interaction is required.</p>\n","ordinal":10000},{"articleType":"FAQ","description":"<p><strong>According to the CVSS metric, the attack complexity is high (AC:H). What does this mean for this vulnerability?</strong></p>\n<p>Successful exploitation requires the attacker to control a distinct email address that an affected application's account lookup treats as equivalent to the victim's address, while messages are delivered to a different mailbox.</p>\n","ordinal":10000}],"revisions":[{"cveNumber":"CVE-2026-118741","version":2,"revisionDate":"2026-11-11T08:00:00-08:00","initialDate":"0001-01-01T00:00:00Z","description":"<p>Changes made to the security updates links and information.  This is an informational change only.</p>\n","unformattedDescription":"Changes made to the security updates links and information.  This is an informational change only.","notificationNeeded":false,"notificationSent":false,"sourceId":"7a50c98c-f1dd-f111-84e8-6045bd0a04e8"},{"cveNumber":"CVE-2026-118741","version":1,"revisionDate":"2026-11-10T08:00:00-08:00","initialDate":"0001-01-01T00:00:00Z","description":"<p>Information published.</p>\n","unformattedDescription":"Information published.","notificationNeeded":false,"notificationSent":false,"sourceId":"6a0b592a-c1d3-f111-a059-7ced8d6f0cb4"}]}