macOS 26.x < 26.6.2 Multiple Vulnerabilities (148281)

high Nessus Plugin ID 335968

Synopsis

The remote host is missing a macOS update that fixes multiple vulnerabilities

Description

The remote host is running a version of macOS / Mac OS X that is 26.x prior to 26.6.2. It is, therefore, affected by multiple vulnerabilities:

- 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. (CVE-2026-65391)

- The issue was addressed with improved memory handling. This issue is fixed in iOS 26.6.1 and iPadOS 26.6.1, macOS Sequoia 15.8, macOS Tahoe 26.6.2, tvOS 27, visionOS 27, watchOS 27. An app may be able to cause unexpected system termination or corrupt kernel memory. (CVE-2026-28935, CVE-2026-65330)

- A memory corruption issue was addressed with improved memory handling. This issue is fixed in Safari 26.6.1, iOS 18.7.10 and iPadOS 18.7.10, 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.
(CVE-2026-43794)

- The issue was addressed with improved memory handling. This issue is fixed in Safari 26.6.1, iOS 18.7.10 and iPadOS 18.7.10, iOS 26.6.1 and iPadOS 26.6.1, macOS Tahoe 26.6.2, visionOS 27. Processing maliciously crafted web content may lead to an unexpected Safari crash. (CVE-2026-43795, CVE-2026-65338)

- A use-after-free issue was addressed with improved memory management. This issue is fixed in Safari 26.6.1, iOS 18.7.10 and iPadOS 18.7.10, 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 an unexpected process crash. (CVE-2026-64715)

Note that Nessus has not tested for these issues but has instead relied only on the operating system's self-reported version number.

Solution

Upgrade to macOS 26.6.2 or later.

See Also

https://support.apple.com/en-us/148281

Plugin Details

Severity: High

ID: 335968

File Name: macos_148281.nasl

Version: 1.5

Type: Local

Agent: macosx

Published: 8/17/2026

Updated: 9/21/2026

Supported Sensors: Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.9

Percentile: 96.56

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 7.8

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

CVSS Score Source: CVE-2026-65391

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 7.9

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:apple:mac_os_x:26.0, cpe:/o:apple:macos:26.0

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 8/17/2026

Vulnerability Publication Date: 8/17/2026

Reference Information

CVE: CVE-2026-28935, CVE-2026-43794, CVE-2026-43795, CVE-2026-64715, CVE-2026-64736, CVE-2026-64778, CVE-2026-64779, CVE-2026-64780, CVE-2026-64781, CVE-2026-64782, CVE-2026-64784, CVE-2026-64787, CVE-2026-64788, CVE-2026-65330, CVE-2026-65331, CVE-2026-65332, CVE-2026-65333, CVE-2026-65334, CVE-2026-65335, CVE-2026-65336, CVE-2026-65337, CVE-2026-65338, CVE-2026-65339, CVE-2026-65340, CVE-2026-65341, CVE-2026-65343, CVE-2026-65346, CVE-2026-65347, CVE-2026-65349, CVE-2026-65351, CVE-2026-65352, CVE-2026-65355, CVE-2026-65390, CVE-2026-65391

APPLE-SA: 148281