Most severe trending vulnerabilities for "apple macos" 26.0

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Apple macOS SequoiaApple macOS Improper Authentication Vulnerability

Risk 99

Severity

9.8

Exploited

Trending

Month

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

An authentication issue was addressed with improved state management. This issue is fixed in macOS Sequoia 15.7.9, macOS Sonoma 14.8.9, macOS Tahoe 26.6.1. An attacker on the network may be able to authenticate to Screen Sharing without valid credentials.

1 / 3

Source: MITRE

First published (updated )

CVE-2026-65400

Apple iOSUse After Free, Input Validation, Integer Overflow

Risk 40

Severity

6.5

Trending

Month

Use After Free, Input Validation, Integer Overflow

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

A use-after-free issue was addressed with improved memory management. This issue is fixed in Safari 26.6.1, iOS 26.6.1 and iPadOS 26.6.1, macOS Tahoe 26.6.2. Processing maliciously crafted web content may lead to an unexpected process termination.

1 / 18

Source: NVD

First published (updated )

CVE-2026-64787

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