{"id":"CVE-2026-105946","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-105946","generatedAt":"2026-10-28T03:39:36.104Z","title":"Out-of-bounds read in the QAuthenticator NTLM authentication handling in the Qt Network module in Qt Group Qt allows remote attackers to obtain sensitive information (heap memory contents) or cause a denial of service (application crash) via a crafted…","description":"Out-of-bounds read in the QAuthenticator NTLM authentication handling in the Qt Network module in Qt Group Qt allows remote attackers to obtain sensitive information (heap memory contents) or cause a denial of service (application crash) via a crafted NTLM challenge sent by a malicious server or proxy, when an application using QNetworkAccessManager or QTcpSocket authenticates with NTLM.","published":"2026-10-27T07:16:32.000Z","lastModified":"2026-10-27T15:03:41.000Z","status":"Awaiting Analysis","sourceIdentifier":"a59d8014-47c4-4630-ab43-e1b13cbe58e3","cvss":{"version":"4.0","score":5.3,"severity":"MEDIUM","vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:N/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M"},"cwe":["CWE-125"],"affected":[],"epss":{"score":0.00455,"percentile":0.39292,"date":"2026-10-27","history":[{"date":"2026-10-27","score":0.00455,"percentile":0.39292}]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (0.46%). Track it; it rarely justifies an emergency change on its own."},"changes":[{"kind":"new","label":"New CVE","at":"2026-10-27T07:16:32.000Z","detail":{"score":"5.3","severity":"MEDIUM","publishedAt":"2026-10-27T07:16:31.860Z"},"summary":"New CVE, medium severity (CVSS 5.3)."}],"references":[{"url":"https://codereview.qt-project.org/c/qt/qtbase/+/744448","source":"a59d8014-47c4-4630-ab43-e1b13cbe58e3"},{"url":"https://codereview.qt-project.org/c/qt/qtbase/+/745457","source":"a59d8014-47c4-4630-ab43-e1b13cbe58e3"},{"url":"https://codereview.qt-project.org/c/qt/qtbase/+/745464","source":"a59d8014-47c4-4630-ab43-e1b13cbe58e3"},{"url":"https://wiki.qt.io/List_of_known_vulnerabilities_in_Qt_products#CVE-2026-105946:","source":"a59d8014-47c4-4630-ab43-e1b13cbe58e3"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-105946","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}