CVE-2026-48850

{"id": "CVE-2026-48850", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "cve@mitre.org", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 3.7, "attackVector": "NETWORK", "baseSeverity": "LOW", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "LOW", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 1.4, "exploitabilityScore": 2.2}, {"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.9, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 2.2}]}, "published": "2026-05-25T21:16:35.267", "references": [{"url": "https://lists.tartarus.org/pipermail/putty-announce/2026/000042.html", "tags": ["Release Notes"], "source": "cve@mitre.org"}, {"url": "https://www.chiark.greenend.org.uk/~sgtatham/putty/wishlist/rsakex-double-free.html", "tags": ["Patch", "Vendor Advisory"], "source": "cve@mitre.org"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "cve@mitre.org", "description": [{"lang": "en", "value": "CWE-415"}]}], "descriptions": [{"lang": "en", "value": "PuTTY 0.72 before 0.84 has a double free in RSA KEX."}], "lastModified": "2026-05-27T19:14:46.450", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:putty:putty:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "11ACE21E-7B3A-45C7-B2CD-14CFC6CEE0DC", "versionEndExcluding": "0.84", "versionStartIncluding": "0.72"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}