{"affected":[{"defaultStatus":"unaffected","product":"libexpat","source":"CNA: mitre","vendor":"libexpat project","versions":[{"lessThan":"2.8.3","status":"affected","version":"0","versionType":"semver"}]},{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518-4 PN/DP MFP (6ES7518-4AX00-1AB0)","source":"ADP: siemens-SADP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.7","versionType":"custom"}]},{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518-4 PN/DP MFP (6ES7518-4AX00-1AC0)","source":"ADP: siemens-SADP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.7","versionType":"custom"}]},{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP (6ES7518-4FX00-1AB0)","source":"ADP: siemens-SADP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.7","versionType":"custom"}]},{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP (6ES7518-4FX00-1AC0)","source":"ADP: siemens-SADP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.7","versionType":"custom"}]},{"defaultStatus":"unknown","product":"SIPLUS S7-1500 CPU 1518-4 PN/DP MFP (6AG1518-4AX00-4AC0)","source":"ADP: siemens-SADP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.7","versionType":"custom"}]}],"cveId":"CVE-2026-72522","cwes":["CWE-125"],"description":"libexpat before 2.8.3 has an out-of-bounds read and resultant infinite loop because low surrogates are treated the same as high surrogates during Unicode processing in the *_toUtf16 functions.","epss":{"date":"2026-11-09","percentile":0.08811,"score":0.00191},"exploits":[],"kev":null,"metrics":[{"score":6.2,"severity":"medium","source":"CNA: mitre","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"}],"modifiedAt":1794314982468,"publishedAt":1786332484274,"references":[{"source":"CNA: mitre","tags":[],"url":"https://github.com/libexpat/libexpat/pull/1296"},{"source":"CNA: mitre","tags":[],"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=2053153"},{"source":"ADP: CVE","tags":[],"url":"http://www.openwall.com/lists/oss-security/2026/08/11/5"},{"source":"ADP: siemens-SADP","tags":[],"url":"https://cert-portal.siemens.com/productcert/html/ssa-457936.html"}],"remediation":[],"revision":"404fea4a400d671ac6d15b517f8affcd397e92d8b0ca8459994b00158a58cd7c","sources":[{"modifiedAt":1794314982468,"name":"CNA: mitre","retrievedAt":1794316754208,"url":"https://www.cve.org/CVERecord?id=CVE-2026-72522"},{"modifiedAt":null,"name":"FIRST EPSS","retrievedAt":1794316770909,"url":"https://api.first.org/data/v1/epss?cve=CVE-2026-72522"}],"ssvc":{"assessedAt":1786624749978,"automatable":"no","exploitation":"none","source":"ADP: CISA-ADP","technicalImpact":"partial"},"status":"published","title":"CVE-2026-72522","updatedAt":1794316770909}