An out-of-bounds write issue 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-jhhw-w49f-ccpw
An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in...
https://github.com/advisories/GHSA-jhhw-w49f-ccpwAn out-of-bounds write issue 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-2026-43802Click to expand
{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2026-43802",
"assignerOrgId": "286789f9-fbc2-4510-9f9a-43facdede74c",
"assignerShortName": "apple",
"dateUpdated": "2026-07-28T14:03:05.282Z",
"dateReserved": "2026-05-01T22:46:27.820Z",
"datePublished": "2026-07-27T20:13:51.104Z",
"state": "PUBLISHED"
},
"containers": {
"cna": {
"providerMetadata": {
"orgId": "286789f9-fbc2-4510-9f9a-43facdede74c",
"shortName": "apple",
"dateUpdated": "2026-07-27T20:13:51.104Z"
},
"descriptions": [
{
"lang": "en",
"value": "An out-of-bounds write issue 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": "2026-07-28T14:03:05.282Z"
},
"title": "CISA ADP Vulnrichment",
"problemTypes": [
{
"descriptions": [
{
"lang": "en",
"description": "CWE-787 Out-of-bounds Write",
"cweId": "CWE-787",
"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"
}
},
{}
]
}
]
}
}