The issue was addressed with improved bounds checks. This issue is fixed in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6. An app may be able to disclose kernel memory.
PUBLISHED5.2
Problem type
- An app may be able to disclose kernel memory
Affected products
Apple
macOS
< 14.8.8 - AFFECTED
< 15.7.8 - AFFECTED
< 26.6 - AFFECTED
References
support.apple.com
https://support.apple.com/en-us/128067
support.apple.com
https://support.apple.com/en-us/128071
support.apple.com
https://support.apple.com/en-us/128072
GitHub Security Advisories
GHSA-pjc5-5pmf-2pq6
The issue was addressed with improved bounds checks. This issue is fixed in macOS Sequoia 15.7.8,...
https://github.com/advisories/GHSA-pjc5-5pmf-2pq6The issue was addressed with improved bounds checks. This issue is fixed in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6. An app may be able to disclose kernel memory.
JSON source
https://cveawg.mitre.org/api/cve/CVE-2026-64776Click to expand
{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2026-64776",
"assignerOrgId": "286789f9-fbc2-4510-9f9a-43facdede74c",
"assignerShortName": "apple",
"dateUpdated": "2026-07-27T20:14:57.773Z",
"dateReserved": "2026-07-20T18:10:53.025Z",
"datePublished": "2026-07-27T20:14:57.773Z",
"state": "PUBLISHED"
},
"containers": {
"cna": {
"providerMetadata": {
"orgId": "286789f9-fbc2-4510-9f9a-43facdede74c",
"shortName": "apple",
"dateUpdated": "2026-07-27T20:14:57.773Z"
},
"descriptions": [
{
"lang": "en",
"value": "The issue was addressed with improved bounds checks. This issue is fixed in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6. An app may be able to disclose kernel memory."
}
],
"affected": [
{
"vendor": "Apple",
"product": "macOS",
"versions": [
{
"version": "0",
"status": "affected",
"versionType": "custom",
"lessThan": "14.8.8"
},
{
"version": "0",
"status": "affected",
"versionType": "custom",
"lessThan": "15.7.8"
},
{
"version": "0",
"status": "affected",
"versionType": "custom",
"lessThan": "26.6"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"lang": "en",
"description": "An app may be able to disclose kernel memory"
}
]
}
],
"references": [
{
"url": "https://support.apple.com/en-us/128067"
},
{
"url": "https://support.apple.com/en-us/128071"
},
{
"url": "https://support.apple.com/en-us/128072"
}
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}
}
}