CVE-2026-65391

HighCVSS 8.8/10Last modified Sep 16, 2026

Description

An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in Safari 26.6.1, iOS 26.6.1 and iPadOS 26.6.1, macOS Tahoe 26.6.2, tvOS 27, visionOS 27, watchOS 27. Processing maliciously crafted web content may lead to memory corruption.

Metrics

CVSS 3.1 8.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-190

Affected software

VendorProductVersions
AppleSafari< 26.6.1
AppleiOS and iPadOS< 26.6.1
ApplemacOS< 26.6.2
AppletvOS< 27
ApplevisionOS< 27
ApplewatchOS< 27

References

Timeline

Published
Sep 14, 2026
Last modified
Sep 16, 2026
NVD status
Analyzed

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CVE-2026-65391: High severity, CVSS 8.8 | Vulnix