An out-of-bounds read was addressed with improved bounds checking. 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 cause unexpected system termination.
PUBLISHED5.2
Problem type
- An app may be able to cause unexpected system termination
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-whqr-78r5-cq67
An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in macOS...
https://github.com/advisories/GHSA-whqr-78r5-cq67An out-of-bounds read was addressed with improved bounds checking. 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 cause unexpected system termination.
JSON source
https://cveawg.mitre.org/api/cve/CVE-2026-43757Click to expand
{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2026-43757",
"assignerOrgId": "286789f9-fbc2-4510-9f9a-43facdede74c",
"assignerShortName": "apple",
"dateUpdated": "2026-07-28T13:57:04.490Z",
"dateReserved": "2026-05-01T22:46:27.816Z",
"datePublished": "2026-07-27T20:15:03.194Z",
"state": "PUBLISHED"
},
"containers": {
"cna": {
"providerMetadata": {
"orgId": "286789f9-fbc2-4510-9f9a-43facdede74c",
"shortName": "apple",
"dateUpdated": "2026-07-27T20:15:03.194Z"
},
"descriptions": [
{
"lang": "en",
"value": "An out-of-bounds read was addressed with improved bounds checking. 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 cause unexpected system termination."
}
],
"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 cause unexpected system termination"
}
]
}
],
"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"
}
]
},
"adp": [
{
"providerMetadata": {
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP",
"dateUpdated": "2026-07-28T13:57:04.490Z"
},
"title": "CISA ADP Vulnrichment",
"problemTypes": [
{
"descriptions": [
{
"lang": "en",
"description": "CWE-125 Out-of-bounds Read",
"cweId": "CWE-125",
"type": "CWE"
}
]
}
],
"metrics": [
{
"cvssV3_1": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"attackVector": "NETWORK",
"attackComplexity": "LOW",
"privilegesRequired": "NONE",
"userInteraction": "NONE",
"scope": "UNCHANGED",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"availabilityImpact": "HIGH",
"baseScore": 9.8,
"baseSeverity": "CRITICAL"
}
},
{}
]
}
]
}
}