{"id":"CVE-2026-49160","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-49160","generatedAt":"2026-10-31T04:56:26.600Z","title":"Uncontrolled resource consumption in HTTP/2 allows an unauthorized attacker to deny service over a network.","description":"Uncontrolled resource consumption in HTTP/2 allows an unauthorized attacker to deny service over a network.","published":"2026-06-09T17:17:47.000Z","lastModified":"2026-07-23T08:10:00.000Z","status":"Analyzed","sourceIdentifier":"secure@microsoft.com","cvss":{"version":"3.1","score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},"cwe":["CWE-400"],"affected":["microsoft/windows 10 1607","microsoft/windows 10 1809","microsoft/windows 10 21h2","microsoft/windows 10 22h2","microsoft/windows 11 23h2","microsoft/windows 11 24h2","microsoft/windows 11 25h2","microsoft/windows 11 26h1","microsoft/windows server 2016","microsoft/windows server 2019","microsoft/windows server 2022","microsoft/windows server 2025"],"epss":{"score":0.56595,"percentile":0.99059,"date":"2026-10-30","history":[{"date":"2026-09-24","score":0.01174,"percentile":0.66144},{"date":"2026-10-25","score":0.56595,"percentile":0.99053}]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"urgent","text":"EPSS puts the probability of exploitation in the next 30 days at 56.6%, higher than 99% of all known CVEs. Patch or mitigate before the next change window."},"changes":[{"kind":"epss","label":"EPSS jump","at":"2026-10-25T00:00:00.000Z","detail":{"to":0.56595,"from":0.01314,"percentile":0.99053},"summary":"EPSS moved from 1.3% to 56.6% probability of exploitation in the next thirty days."},{"kind":"epss","label":"EPSS jump","at":"2026-09-24T00:00:00.000Z","detail":{"to":0.01174,"from":0.53829,"percentile":0.66144},"summary":"EPSS moved from 53.8% to 1.2% probability of exploitation in the next thirty days."}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-49160","tags":["Vendor Advisory"],"source":"secure@microsoft.com"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-49160","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}