CVE-2026-28991
Full vulnerability record from the local CVENow database.
Description
An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in iOS 26.5 and iPadOS 26.5, macOS Sequoia 15.8.2, macOS Tahoe 26.5, tvOS 26.5, visionOS 26.5, watchOS 26.5. An app may be able to cause a denial-of-service.
Severity
HIGH
CVSS score
7.5
(v3.1)
Vulnerability status
Modified
Source identifier
Published
2026-05-11 21:18:59.017000
Last modified
2026-10-26 21:18:24.527000
View original CVE JSON
{
"id": "CVE-2026-28991",
"sourceIdentifier": "[email protected]",
"published": "2026-05-11T21:18:59.017",
"lastModified": "2026-10-26T21:18:24.527",
"vulnStatus": "Modified",
"cveTags": [],
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"value": "An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in iOS 26.5 and iPadOS 26.5, macOS Sequoia 15.8.2, macOS Tahoe 26.5, tvOS 26.5, visionOS 26.5, watchOS 26.5. An app may be able to cause a denial-of-service."
},
{
"lang": "es",
"value": "Una lectura fuera de límites se corrigió con una comprobación de límites mejorada. Este problema está corregido en iOS 26.5 y iPadOS 26.5, macOS Tahoe 26.5, tvOS 26.5, visionOS 26.5, watchOS 26.5. Una aplicación podría causar una denegación de servicio."
}
],
"affected": [
{
"source": "[email protected]",
"affectedData": [
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"metrics": {
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"baseScore": 7.5,
"baseSeverity": "HIGH",
"attackVector": "NETWORK",
"attackComplexity": "LOW",
"privilegesRequired": "NONE",
"userInteraction": "NONE",
"scope": "UNCHANGED",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"availabilityImpact": "HIGH"
},
"exploitabilityScore": 3.9,
"impactScore": 3.6
}
],
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"id": "CVE-2026-28991",
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"configurations": [
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}