{"cvss":8.8,"datePublished":"2026-05-11T21:18:55.863","dateUpdated":"2026-10-26T18:10:00.173","description":"A use-after-free issue was addressed with improved memory management. This issue is fixed in Safari 26.5, iOS 18.7.10 and iPadOS 18.7.10, iOS 26.5 and iPadOS 26.5, macOS Tahoe 26.5, tvOS 26.5, visionOS 26.5, watchOS 26.5. Processing maliciously crafted web content may lead to an unexpected Safari crash.","id":"CVE-2026-28947","raw":{"affected":[{"affectedData":[{"product":"Safari","vendor":"Apple","versions":[{"lessThan":"26.5","status":"affected","version":"0","versionType":"custom"}]},{"product":"iOS and 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use-after-free issue was addressed with improved memory management. This issue is fixed in Safari 26.5, iOS 18.7.10 and iPadOS 18.7.10, iOS 26.5 and iPadOS 26.5, macOS Tahoe 26.5, tvOS 26.5, visionOS 26.5, watchOS 26.5. Processing maliciously crafted web content may lead to an unexpected Safari crash."},{"lang":"es","value":"Un problema de uso después de liberación se abordó con una gestión de memoria mejorada. Este problema está solucionado en iOS 26.5 y iPadOS 26.5, macOS Tahoe 26.5, tvOS 26.5, visionOS 26.5, watchOS 26.5. El procesamiento de contenido web creado con fines maliciosos puede provocar un cierre inesperado de Safari."}],"id":"CVE-2026-28947","lastModified":"2026-10-26T18:10:00.173","metrics":{"cvssMetricV31":[{"cvssData":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":8.8,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","version":"3.1"},"exploitabilityScore":2.8,"impactScore":5.9,"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","type":"Secondary"},{"cvssData":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":8.8,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","version":"3.1"},"exploitabilityScore":2.8,"impactScore":5.9,"source":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c","type":"Secondary"}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"id":"CVE-2026-28947","options":[{"exploitation":"none"},{"automatable":"no"},{"technicalImpact":"total"}],"role":"CISA Coordinator","timestamp":"2026-05-12T17:44:40.637952Z","version":"2.0.3"}}]},"published":"2026-05-11T21:18:55.863","references":[{"source":"product-security@apple.com","tags":["Release Notes","Vendor Advisory"],"url":"https://support.apple.com/en-us/127110"},{"source":"product-security@apple.com","tags":["Release Notes","Vendor Advisory"],"url":"https://support.apple.com/en-us/127115"},{"source":"product-security@apple.com","tags":["Release Notes","Vendor Advisory"],"url":"https://support.apple.com/en-us/127118"},{"source":"product-security@apple.com","tags":["Release Notes","Vendor Advisory"],"url":"https://support.apple.com/en-us/127119"},{"source":"product-security@apple.com","tags":["Release Notes","Vendor Advisory"],"url":"https://support.apple.com/en-us/127120"},{"source":"product-security@apple.com","url":"https://support.apple.com/en-us/127121"},{"source":"product-security@apple.com","url":"https://support.apple.com/en-us/148287"},{"source":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c","url":"https://access.redhat.com/errata/RHSA-2026:25918"},{"source":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c","url":"https://access.redhat.com/errata/RHSA-2026:25927"},{"source":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c","url":"https://access.redhat.com/errata/RHSA-2026:27728"},{"source":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c","url":"https://access.redhat.com/errata/RHSA-2026:27785"},{"source":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c","url":"https://access.redhat.com/errata/RHSA-2026:27804"},{"source":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c","url":"https://access.redhat.com/errata/RHSA-2026:28114"},{"source":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c","url":"https://access.redhat.com/errata/RHSA-2026:28146"},{"source":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c","url":"https://access.redhat.com/errata/RHSA-2026:28147"},{"source":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c","url":"https://access.redhat.com/errata/RHSA-2026:28148"},{"source":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c","url":"https://access.redhat.com/security/cve/CVE-2026-28947"},{"source":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2483964"},{"source":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c","url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-28947.json"}],"sourceIdentifier":"product-security@apple.com","vulnStatus":"Modified","weaknesses":[{"description":[{"lang":"en","value":"CWE-416"}],"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","type":"Secondary"},{"description":[{"lang":"en","value":"CWE-416"}],"source":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c","type":"Secondary"}]},"severity":"HIGH","source":"nvd","title":"A use-after-free issue was addressed with improved memory management"}