{"id":"CVE-2026-64779","title":"A memory corruption vulnerability was addressed with improved locking","summary":"A memory corruption vulnerability was addressed with improved locking. This issue is fixed in Safari 26.6.1, iOS 18.7.10 and iPadOS 18.7.10, iOS 26.6.1 and iPadOS 26.6.1, macOS Tahoe 26.6.2, visionOS 27. Processing maliciously crafted we…","severity":"low","cvss":3.1,"cvssVector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:L","cwe":["CWE-362","CWE-667"],"vendor":"apple","product":"ipados","affected":["ipados < 18.7.10","ipados >= 26.0, < 26.6.1","iphone_os < 18.7.10","iphone_os >= 26.0, < 26.6.1","macos >= 26.0, < 26.6.2"],"patched":["ipados 26.6.1","iphone_os 26.6.1","macos 26.6.2"],"published":"2026-08-17","updated":"2026-09-14","sourceUpdated":"2026-09-14T21:17:15.533","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-64779","references":[{"url":"https://support.apple.com/en-us/148281","label":"product-security@apple.com"},{"url":"https://support.apple.com/en-us/148282","label":"product-security@apple.com"},{"url":"https://support.apple.com/en-us/148286","label":"product-security@apple.com"},{"url":"https://support.apple.com/en-us/148287","label":"product-security@apple.com"},{"url":"https://support.apple.com/en-us/149038","label":"product-security@apple.com"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-64779.json"},{"url":"https://access.redhat.com/security/cve/CVE-2026-64779"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2524570"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-64779"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-64779"},{"url":"https://access.redhat.com/errata/RHSA-2026:69098"}],"tags":["nvd","cve.org","csaf","vex","red-hat","score-dispute"],"epss":0.00394,"epssPercentile":0.333,"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-08-18T13:15:20.777358Z"},"ingestedAt":"2026-09-14T21:15:17.554Z","scores":{"nvd":3.1,"vendor":8.8},"slug":"CVE-2026-64779","body":"## Overview\n\nA memory corruption vulnerability was addressed with improved locking. This issue is fixed in Safari 26.6.1, iOS 18.7.10 and iPadOS 18.7.10, iOS 26.6.1 and iPadOS 26.6.1, macOS Tahoe 26.6.2, visionOS 27. Processing maliciously crafted web content may lead to an unexpected Safari crash.\n\n## Affected\n\n- `ipados < 18.7.10`\n- `ipados >= 26.0, < 26.6.1`\n- `iphone_os < 18.7.10`\n- `iphone_os >= 26.0, < 26.6.1`\n- `macos >= 26.0, < 26.6.2`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `ipados 26.6.1`\n- `iphone_os 26.6.1`\n- `macos 26.6.2`\n\n## Vendor advisories\n\n- **RHSA-2026:69098** · Red Hat · fixed in: Red Hat Enterprise Linux AppStream (v. 9) · released 2026-09-21 · [advisory](https://access.redhat.com/errata/RHSA-2026:69098)\n- **Red Hat VEX** · Important · affected: Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 7, Red Hat Enterprise Linux 8 · no fix planned: Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 7, Red Hat Enterprise Linux 8 · updated 2026-09-21 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-64779.json)","depth":"sunlit","depthScore":17,"depthScoreParts":{"impact":17.1,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}