{"id":"CVE-2026-32226","title":"Concurrent execution using shared resource with improper synchronization ('race condition') in .NET Framework allows an unauthorized attacker to deny service over a network.","summary":"Concurrent execution using shared resource with improper synchronization ('race condition') in .NET Framework allows an unauthorized attacker to deny service over a network.","severity":"medium","cvss":5.9,"cvssVector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","cwe":["CWE-362"],"vendor":"microsoft","product":".net_framework","affected":[".net_framework = 3.5",".net_framework = 4.7.2",".net_framework = 4.8",".net_framework = 4.8.1"],"published":"2026-04-14","updated":"2026-07-25","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-32226","references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-32226","label":"secure@microsoft.com"}],"tags":["nvd"],"epss":0.00542,"epssPercentile":0.44474,"ingestedAt":"2026-07-26T10:11:59.032Z","slug":"CVE-2026-32226","body":"## Overview\n\nConcurrent execution using shared resource with improper synchronization ('race condition') in .NET Framework allows an unauthorized attacker to deny service over a network.\n\n## Affected\n\n- `.net_framework = 3.5`\n- `.net_framework = 4.7.2`\n- `.net_framework = 4.8`\n- `.net_framework = 4.8.1`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":33,"depthScoreParts":{"impact":32.5,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}