{"id":"CVE-2019-8766","url":"https://www.cyber-defence.io/tools/cve/CVE-2019-8766","generatedAt":"2026-10-27T23:25:04.683Z","title":"Multiple memory corruption issues were addressed with improved memory handling.","description":"Multiple memory corruption issues were addressed with improved memory handling. This issue is fixed in watchOS 6.1, iCloud for Windows 11.0. Processing maliciously crafted web content may lead to arbitrary code execution.","published":"2019-12-18T18:15:40.000Z","lastModified":"2026-06-17T02:42:34.000Z","status":"Modified","sourceIdentifier":"product-security@apple.com","cvss":{"version":"3.1","score":8.8,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"},"cwe":["CWE-787"],"affected":["apple/icloud","apple/watchos"],"epss":{"score":0.0172,"percentile":0.77305,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (1.72%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://security.gentoo.org/glsa/202003-22","tags":["Third Party Advisory"],"source":"product-security@apple.com"},{"url":"https://support.apple.com/HT210724","tags":["Vendor Advisory"],"source":"product-security@apple.com"},{"url":"https://support.apple.com/HT210727","tags":["Vendor Advisory"],"source":"product-security@apple.com"},{"url":"https://security.gentoo.org/glsa/202003-22","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://support.apple.com/HT210724","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://support.apple.com/HT210727","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2019-8766","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."}