CVE-2026-21532

{"id": "CVE-2026-21532", "cveTags": [{"tags": ["exclusively-hosted-service"], "sourceIdentifier": "secure@microsoft.com"}], "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "secure@microsoft.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.2, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 4.2, "exploitabilityScore": 3.9}]}, "published": "2026-02-05T23:15:54.317", "references": [{"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-21532", "tags": ["Vendor Advisory"], "source": "secure@microsoft.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "secure@microsoft.com", "description": [{"lang": "en", "value": "CWE-200"}]}], "descriptions": [{"lang": "en", "value": "Azure Function Information Disclosure Vulnerability"}], "lastModified": "2026-02-12T19:01:06.173", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:microsoft:azure_functions:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "55C8D12F-35AE-4DEF-B47C-D686B0F11B0B"}], "operator": "OR"}]}], "sourceIdentifier": "secure@microsoft.com"}