CVE-2026-112493

macOS Downgrade Vulnerability Enabling Privilege Escalation

Published Oct 26, 2026 CVSS 3.1 · 7.8 High EPSS < 1% KEV · Not listed
Description
A downgrade issue was addressed with additional version checks. This issue is fixed in macOS Golden Gate 27.2, macOS Sequoia 15.8.2, macOS Tahoe 26.7.2. An app may be able to gain root privileges.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
CPEs cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*
Type Values Removed Values Added
Title macOS Downgrade Vulnerability Enabling Privilege Escalation
Type Values Removed Values Added
Title Privilege Escalation via Downgrade Vulnerability on macOS
Weaknesses CWE-284
Type Values Removed Values Added
Weaknesses CWE-290
Metrics cvssV3_1

{'score': 7.8, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Title Privilege Escalation via Downgrade Vulnerability on macOS
First Time appeared Apple
Apple macos
Weaknesses CWE-284
Vendors & Products Apple
Apple macos
Type Values Removed Values Added
Description A downgrade issue was addressed with additional version checks. This issue is fixed in macOS Golden Gate 27.2, macOS Sequoia 15.8.2, macOS Tahoe 26.7.2. An app may be able to gain root privileges.
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
apple
Published
Updated
Nov 4, 2026, 4:55 AM
Reserved
Oct 19, 2026, 5:05 PM
Status
Analyzed
Published
Oct 26, 2026, 9:17 PM
Modified
Nov 4, 2026, 5:18 AM