cve-2026-43715
HIGH CVSS 8.8 nvd
Description
A use-after-free issue was addressed with improved memory management. This issue is fixed in Safari 26.5.2, iOS 26.5.2 and iPadOS 26.5.2, iOS 26.7 and iPadOS 26.7, macOS Tahoe 26.5.2, tvOS 26.6, visionOS 26.6, watchOS 26.6. Processing maliciously crafted web content may lead to memory corruption.
Timeline
- Published
- 2026-06-29
- Last Modified
- 2026-10-24
CVSS Details
- Attack Vector
- NETWORK
- Attack Complexity
- LOW
- Privileges Required
- NONE
Affected Products
- apple safari
- apple ipados
- apple iphone_os
- apple macos
Weaknesses (CWE)
CVSS metrics
| Version | Base | Severity | Vector | Exploitability | Impact | Source |
|---|---|---|---|---|---|---|
| 3.1 | 8.8 | HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
2.8 | 5.9 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
CPE configurations
OR
| CPE | Version range | Vulnerable |
|---|---|---|
cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:* |
< 26.5.2 | yes |
cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* |
< 26.5.2 | yes |
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* |
< 26.5.2 | yes |
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* |
>= 26.0, < 26.5.2 | yes |
NVD metadata
- NVD status
- Modified
- Source identifier
product-security@apple.com
References
- https://support.apple.com/en-us/127594 Vendor Advisory
- https://support.apple.com/en-us/127595 Vendor Advisory
- https://support.apple.com/en-us/127685 Vendor Advisory
- https://support.apple.com/en-us/128068
- https://support.apple.com/en-us/128069
- https://support.apple.com/en-us/128070
- https://support.apple.com/en-us/149041
Linked Vulnerabilities
{
"cvss": 8.8,
"datePublished": "2026-06-29T20:17:36.173",
"dateUpdated": "2026-10-24T16:10:00.153",
"description": "A use-after-free issue was addressed with improved memory management. This issue is fixed in Safari 26.5.2, iOS 26.5.2 and iPadOS 26.5.2, iOS 26.7 and iPadOS 26.7, macOS Tahoe 26.5.2, tvOS 26.6, visionOS 26.6, watchOS 26.6. Processing maliciously crafted web content may lead to memory corruption.",
"id": "CVE-2026-43715",
"raw": {
"affected": [
{
"affectedData": [
{
"product": "Safari",
"vendor": "Apple",
"versions": [
{
"lessThan": "26.5.2",
"status": "affected",
"version": "0",
"versionType": "custom"
}
]
},
{
"product": "iOS and iPadOS",
"vendor": "Apple",
"versions": [
{
"lessThan": "26.5.2",
"status": "affected",
"version": "0",
"versionType": "custom"
},
{
"lessThan": "26.7",
"status": "affected",
"version": "0",
"versionType": "custom"
}
]
},
{
"product": "macOS",
"vendor": "Apple",
"versions": [
{
"lessThan": "26.5.2",
"status": "affected",
"version": "0",
"versionType": "custom"
}
]
},
{
"product": "tvOS",
"vendor": "Apple",
"versions": [
{
"lessThan": "26.6",
"status": "affected",
"version": "0",
"versionType": "custom"
}
]
},
{
"product": "visionOS",
"vendor": "Apple",
"versions": [
{
"lessThan": "26.6",
"status": "affected",
"version": "0",
"versionType": "custom"
}
]
},
{
"product": "watchOS",
"vendor": "Apple",
"versions": [
{
"lessThan": "26.6",
"status": "affected",
"version": "0",
"versionType": "custom"
}
]
}
],
"source": "product-security@apple.com"
}
],
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:*",
"matchCriteriaId": "A3C31705-98A5-4EB4-9C89-47140142B078",
"versionEndExcluding": "26.5.2",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*",
"matchCriteriaId": "DB0D3014-6223-4BE5-B8D5-C8A17326859D",
"versionEndExcluding": "26.5.2",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*",
"matchCriteriaId": "237EDA63-32B7-40AA-8EDD-726EC67EAE38",
"versionEndExcluding": "26.5.2",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*",
"matchCriteriaId": "C3D2FD83-D448-4CD3-90ED-9FB8BF55B0D0",
"versionEndExcluding": "26.5.2",
"versionStartIncluding": "26.0",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "A use-after-free issue was addressed with improved memory management. This issue is fixed in Safari 26.5.2, iOS 26.5.2 and iPadOS 26.5.2, iOS 26.7 and iPadOS 26.7, macOS Tahoe 26.5.2, tvOS 26.6, visionOS 26.6, watchOS 26.6. Processing maliciously crafted web content may lead to memory corruption."
},
{
"lang": "es",
"value": "Se abordó un problema de uso después de liberación con una gestión de memoria mejorada. Este problema se corrigió en Safari 26.5.2, iOS 26.5.2 y iPadOS 26.5.2, macOS Tahoe 26.5.2. El procesamiento de contenido web maliciosamente diseñado puede provocar corrupción de memoria."
}
],
"id": "CVE-2026-43715",
"lastModified": "2026-10-24T16:10:00.153",
"metrics": {
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 8.8,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"exploitabilityScore": 2.8,
"impactScore": 5.9,
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"type": "Secondary"
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2026-43715",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-06-29T00:00:00+00:00",
"version": "2.0.3"
}
}
]
},
"published": "2026-06-29T20:17:36.173",
"references": [
{
"source": "product-security@apple.com",
"tags": [
"Vendor Advisory"
],
"url": "https://support.apple.com/en-us/127594"
},
{
"source": "product-security@apple.com",
"tags": [
"Vendor Advisory"
],
"url": "https://support.apple.com/en-us/127595"
},
{
"source": "product-security@apple.com",
"tags": [
"Vendor Advisory"
],
"url": "https://support.apple.com/en-us/127685"
},
{
"source": "product-security@apple.com",
"url": "https://support.apple.com/en-us/128068"
},
{
"source": "product-security@apple.com",
"url": "https://support.apple.com/en-us/128069"
},
{
"source": "product-security@apple.com",
"url": "https://support.apple.com/en-us/128070"
},
{
"source": "product-security@apple.com",
"url": "https://support.apple.com/en-us/149041"
}
],
"sourceIdentifier": "product-security@apple.com",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-416"
}
],
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"type": "Secondary"
}
]
},
"severity": "HIGH",
"source": "nvd",
"title": "A use-after-free issue was addressed with improved memory management"
}