CVE-2026-124701

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{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Telerik UI for WinForms", "vendor": "Progress Software", "versions": [{"lessThan": "2026.4.1111", "status": "affected", "version": "2026.3.1007", "versionType": "custom"}]}], "source": "security@progress.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In Telerik UI for WinForms, versions prior to 2026.4.1111, a deserialization of untrusted data vulnerability exists that allows an attacker to perform unauthorized actions in the context of the affected application."}], "id": "CVE-2026-124701", "lastModified": "2026-11-12T19:02:35.830", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "security@progress.com", "type": "Secondary"}]}, "published": "2026-11-12T11:17:10.473", "references": [{"source": "security@progress.com", "url": "https://www.telerik.com/products/winforms/documentation/knowledge-base/kb-security-deserialization-of-untrusted-data-cve-2026-124701"}], "sourceIdentifier": "security@progress.com", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-502"}], "source": "security@progress.com", "type": "Primary"}]}

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{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[2026.3.1007,2026.4.1111)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "Telerik UI for WinForms", "source": "cna", "vendor": "Progress Software"}, "product": "telerik_ui_for_winforms", "vendor": "progress"}], "created": "2026-11-12T20:30:08.407779+00:00", "updated": "2026-11-12T20:30:08.407824+00:00", "vendors": ["progress", "progress$PRODUCT$telerik_ui_for_winforms"]}