{"data":{"id":"1476520d-0c49-41e8-814d-77ebffbdddbe","title":"CVE-2026-80098: Improper verification of cryptographic signature in Copilot Studio allows an unauthorized attacker to elevate…","summary":"CVE-2026-80098 is an improper verification of cryptographic signature flaw in Copilot Studio. An unauthorized attacker can exploit it over a network to elevate privileges.","solution":"N/A -- no mitigation discussed in source.","labels":["security"],"sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-80098","publishedAt":"2026-09-03T23:17:20.350Z","cveId":"CVE-2026-80098","cweIds":["CWE-347"],"cvssScore":"9.3","cvssSeverity":"critical","severity":"critical","attackType":["other"],"issueType":"vulnerability","affectedPackages":null,"affectedPackageNames":null,"affectedPackageRefs":null,"affectedVendors":["Microsoft"],"affectedVendorsRaw":["Copilot Studio"],"classifierModel":"claude-haiku-5-5","classifierPromptVersion":"v4","summaryPromptVersion":"v2","headline":"Copilot Studio improper signature verification allows privilege elevation","headlinePromptVersion":"h1","cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:H/A:N","attackVector":"network","attackComplexity":"low","privilegesRequired":"none","userInteraction":"none","exploitMaturity":"unknown","epssScore":0.00488,"epssCheckedAt":"2026-11-04T18:09:14.312Z","kevDateAdded":null,"advisoryAliases":["GHSA-r9hf-26xj-x88v"],"affectedPackagesSource":null,"affectedPackagesCheckedAt":"2026-11-01T18:08:45.566Z","patchAvailable":null,"disclosureDate":"2026-09-03T23:17:20.350Z","fixReleasedAt":null,"daysToFix":null,"fixCheckedAt":null,"capecIds":null,"crossRefCount":0,"attackSophistication":"moderate","impactType":["confidentiality","integrity"],"aiComponentTargeted":"plugin","llmSpecific":false,"classifierConfidence":0.85,"researchCategory":null,"atlasIds":null,"fixes":[]}}