Unrated
iOS and iPadOS, macOS — security advisory
An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 18.7.11 and iPadOS 18.7.11, iOS 26.7.1 and iPadOS 26.7.1, macOS Sequoia 15.8.1, macOS Tahoe 26.7.1. Processing a maliciously crafted file may lead to arbitrary code execution. Apple is aware of a report that this issue may have been exploited in an extremely sophisticated attack against specific targeted individuals on versions of iOS before iOS 27.
- Products
- iOS and iPadOS, macOS
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2026-86950
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 30 Oct 2026, 21:00 UTC · Revision 2
Source evidence
An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 18.7.11 and iPadOS 18.7.11, iOS 26.7.1 and iPadOS 26.7.1, macOS Sequoia 15.8.1, macOS Tahoe 26.7.1. Processing a maliciously crafted file may lead to arbitrary code execution. Apple is aware of a report that this issue may have been exploited in an extremely sophisticated attack against specific targeted individuals on versions of iOS before iOS 27.
cve:CVE-2026-86950
iOS and iPadOS
Fixed versions: Not specified
macOS
Fixed versions: Not specified
Complete source record
{
"id": "5b58e5197a7ac41b7ca5799a2353f2db843ff4c6d0091fce18eafd166c2cb9a2",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-86950",
"method": "structured",
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"title": "CVE-2026-86950",
"summary": "An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 18.7.11 and iPadOS 18.7.11, iOS 26.7.1 and iPadOS 26.7.1, macOS Sequoia 15.8.1, macOS Tahoe 26.7.1. Processing a maliciously crafted file may lead to arbitrary code execution. Apple is aware of a report that this issue may have been exploited in an extremely sophisticated attack against specific targeted individuals on versions of iOS before iOS 27.",
"evidence": "cve:CVE-2026-86950",
"products": [
{
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{
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"metrics": [],
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"modified": "2026-10-26T20:35:08.412Z",
"provider": "cve",
"references": [
"https://support.apple.com/en-us/149225",
"https://support.apple.com/en-us/149226",
"https://support.apple.com/en-us/149228",
"https://support.apple.com/en-us/149229"
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"provider_metadata": {
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"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
"integrityImpact": "HIGH",
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"attackComplexity": "LOW",
"availabilityImpact": "HIGH",
"privilegesRequired": "NONE",
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},
{
"other": {
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"options": [
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{
"Automatable": "no"
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{
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],
"version": "2.0.3",
"timestamp": "2026-09-30T03:55:58.823862Z"
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},
{
"other": {
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"content": {
"dateAdded": "2026-09-29",
"reference": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-86950"
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}
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],
"references": [
{
"url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-86950",
"tags": [
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],
"problemTypes": [
{
"descriptions": [
{
"lang": "en",
"type": "CWE",
"cweId": "CWE-787",
"description": "CWE-787 Out-of-bounds Write"
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"providerMetadata": {
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"dateUpdated": "2026-10-01T17:15:57.969Z"
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},
{
"title": "CVE Program Container",
"references": [
{
"url": "http://seclists.org/fulldisclosure/2026/Sep/89"
},
{
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"cna": {
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},
"related_cves": [
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"security_relevant": true,
"severity_evidence": null
},
"source_id": "core-cve",
"document_id": 342026,
"published_at": "2026-09-28T19:13:52.603+00:00"
}