{"data":{"id":"d6bd5e4b-536b-4224-9f5a-1fb9e4140c0a","title":"CVE-2026-26137: Server-side request forgery (ssrf) in Microsoft 365 Copilot's Business Chat allows an authorized attacker to elevate…","summary":"CVE-2026-26137 is a server-side request forgery (CWE-918) in Microsoft 365 Copilot's Business Chat. According to the description, an authorized attacker over a network can use it to elevate privileges. NVD has not yet provided an assessment, and the record was published on 03/19/2026.","solution":"N/A -- no mitigation discussed in source.","labels":["security"],"sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-26137","publishedAt":"2026-03-19T21:17:08.050Z","cveId":"CVE-2026-26137","cweIds":["CWE-918"],"cvssScore":"8.9","cvssSeverity":"high","severity":"high","attackType":["other"],"issueType":"vulnerability","affectedPackages":null,"affectedPackageNames":null,"affectedPackageRefs":null,"affectedVendors":["Microsoft"],"affectedVendorsRaw":["Microsoft 365 Copilot","Business Chat"],"classifierModel":"claude-haiku-5-5","classifierPromptVersion":"v4","summaryPromptVersion":"v2","headline":"Microsoft 365 Copilot Business Chat server-side request forgery over the network","headlinePromptVersion":"h1","cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:L","attackVector":"network","attackComplexity":"low","privilegesRequired":"low","userInteraction":"required","exploitMaturity":"unknown","epssScore":0.00548,"epssCheckedAt":"2026-11-04T18:09:13.655Z","kevDateAdded":null,"advisoryAliases":["GHSA-88qf-p934-h9qg"],"affectedPackagesSource":null,"affectedPackagesCheckedAt":"2026-11-03T18:10:58.843Z","patchAvailable":null,"disclosureDate":"2026-03-19T21:17:08.050Z","fixReleasedAt":null,"daysToFix":null,"fixCheckedAt":null,"capecIds":["CAPEC-664"],"crossRefCount":0,"attackSophistication":"moderate","impactType":["confidentiality","integrity"],"aiComponentTargeted":"api","llmSpecific":true,"classifierConfidence":0.9,"researchCategory":null,"atlasIds":null,"fixes":[]}}