{"id":"CVE-2026-28859","published":"2026-03-25T00:32:24Z","modified":"2026-07-15T01:11:22Z","title":"The issue was addressed with improved memory handling","vendor":"Apple","product":"Safari","tier":"tail","description":{"text":"The issue was addressed with improved memory handling. This issue is fixed in Safari 26.4, iOS 26.4 and iPadOS 26.4, macOS Tahoe 26.4, tvOS 26.4, visionOS 26.4, watchOS 26.4. A malicious website may be able to process restricted web content outside the sandbox.","provenance":"source","from":"CVE.org"},"cvss":{"score":4.3,"severity":"MEDIUM","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N","provenance":"source","from":"CISA ADP Vulnrichment"},"epss":{"score":0.00661,"percentile":0.51481,"provenance":"source"},"cwes":[{"id":"CWE-416","name":"Use After Free"},{"id":"CWE-125","name":"Out-of-bounds Read"},{"id":"CWE-787","name":"Out-of-bounds Write"},{"id":"CWE-120","name":"Buffer Copy without Checking Size of Input"}],"references":[{"url":"https://support.apple.com/en-us/126792","tags":[]},{"url":"https://support.apple.com/en-us/126794","tags":[]},{"url":"https://support.apple.com/en-us/126797","tags":[]},{"url":"https://support.apple.com/en-us/126798","tags":[]},{"url":"https://support.apple.com/en-us/126799","tags":[]},{"url":"https://support.apple.com/en-us/126800","tags":[]},{"url":"https://access.redhat.com/security/cve/CVE-2026-28859","tags":["vdb-entry","x_refsource_REDHAT"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2453006","tags":["issue-tracking","x_refsource_REDHAT"]},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-28859.json","tags":["x_sadp-csaf-vex"]},{"url":"https://access.redhat.com/errata/RHSA-2026:22136","tags":["vendor-advisory","x_refsource_REDHAT"]},{"url":"https://access.redhat.com/errata/RHSA-2026:10702","tags":["vendor-advisory","x_refsource_REDHAT"]},{"url":"https://access.redhat.com/errata/RHSA-2026:16056","tags":["vendor-advisory","x_refsource_REDHAT"]},{"url":"https://access.redhat.com/errata/RHSA-2026:13845","tags":["vendor-advisory","x_refsource_REDHAT"]},{"url":"https://access.redhat.com/errata/RHSA-2026:11814","tags":["vendor-advisory","x_refsource_REDHAT"]},{"url":"https://access.redhat.com/errata/RHSA-2026:19535","tags":["vendor-advisory","x_refsource_REDHAT"]},{"url":"https://access.redhat.com/errata/RHSA-2026:16695","tags":["vendor-advisory","x_refsource_REDHAT"]},{"url":"https://access.redhat.com/errata/RHSA-2026:14659","tags":["vendor-advisory","x_refsource_REDHAT"]},{"url":"https://access.redhat.com/errata/RHSA-2026:11329","tags":["vendor-advisory","x_refsource_REDHAT"]},{"url":"https://access.redhat.com/errata/RHSA-2026:9692","tags":["vendor-advisory","x_refsource_REDHAT"]},{"url":"https://access.redhat.com/errata/RHSA-2026:19206","tags":["vendor-advisory","x_refsource_REDHAT"]}],"priority":{"score":13.3,"factors":[{"name":"EPSS percentile","points":10.3},{"name":"CVSS severity","points":3.01}]},"vendorSlug":"apple","affectedVersions":[{"vendor":"Apple","product":"Safari","versions":["< 26.4"]},{"vendor":"Apple","product":"iOS and iPadOS","versions":["< 26.4"]},{"vendor":"Apple","product":"macOS","versions":["< 26.4"]},{"vendor":"Apple","product":"tvOS","versions":["< 26.4"]},{"vendor":"Apple","product":"visionOS","versions":["< 26.4"]},{"vendor":"Apple","product":"watchOS","versions":["< 26.4"]}],"euvd":{"id":"EUVD-2026-15133","exploited":false,"provenance":"source"},"lineage":{"familyId":"fam-class-apple-ios-macos-cwe-120"}}